Intermediate Words That Start With I

Intermediate Words That Start With I

Expanding your vocabulary is an essential step in improving your communication skills, whether for writing, speaking, or understanding complex texts. If you’re at an intermediate level and looking to enhance your lexicon, exploring words that start with the letter “I” is a great place to begin. Below, you’ll find a selection of intermediate words starting with “I,” along with their meanings and examples of how to use them.

List of Intermediate Words That Start With I

Intermediate Words That Start With I with meaning and example

Icy

• Meaning: Very cold; covered with ice.
• Example: “The roads were icy, making driving dangerous.”

Ideal

• Meaning: Perfect; most suitable.
• Example: “The beach was the ideal spot for a summer vacation.”

Identify

• Meaning: To recognize or establish what something is.
• Example: “The witness was able to identify the suspect in the lineup.”

Idle

• Meaning: Inactive; not working or in use.
• Example: “The factory remained idle during the holiday season.”

Ignite

• Meaning: To catch fire or cause something to catch fire.
• Example: “A single match was enough to ignite the dry leaves.”

Illustrate

• Meaning: To explain or make something clear using examples or pictures.
• Example: “The teacher used a diagram to illustrate the concept.”

Image

• Meaning: A visual representation of something.
• Example: “She had a clear image of the mountain in her mind.”

Imitate

• Meaning: To copy or mimic someone or something.
• Example: “Children often imitate the behavior of adults.”

Immense

• Meaning: Extremely large or great.
• Example: “The ocean is an immense body of water.”

Impact

• Meaning: The effect or influence of one thing on another.
• Example: “The impact of the new law was felt immediately.”

Impose

• Meaning: To force something to be accepted or put in place.
• Example: “The government decided to impose new taxes.”

Impress

• Meaning: To make someone feel admiration and respect.
• Example: “Her performance in the play really impressed the audience.”

Improve

• Meaning: To make something better.
• Example: “She studied hard to improve her grades.”

Include

• Meaning: To make something a part of something else.
• Example: “The package includes free delivery.”

Incorporate

• Meaning: To include or integrate a part into the whole.
• Example: “The design incorporates elements of modern architecture.”

Increase

• Meaning: To become or make something larger or greater.
• Example: “The company plans to increase production next year.”

Indicate

• Meaning: To point out or show.
• Example: “The signpost indicated the direction to the nearest town.”

Indulge

• Meaning: To allow oneself to enjoy something.
• Example: “She likes to indulge in a bit of chocolate after dinner.”

Infect

• Meaning: To contaminate with a disease or harmful substance.
• Example: “The virus can infect people through close contact.”

Inhale

• Meaning: To breathe in.
• Example: “She inhaled deeply before diving into the water.”

Inspire

• Meaning: To fill someone with the urge or ability to do something.
• Example: “The leader’s speech inspired confidence in the team.”

Install

• Meaning: To place or fix equipment or machinery in position.
• Example: “The technician will install the new software on your computer.”

Intend

• Meaning: To have a plan or purpose in mind.
• Example: “She intends to pursue a career in medicine.”

Involve

• Meaning: To include or engage as a necessary part.
• Example: “The project involves several different departments.”

Invite

• Meaning: To ask someone to come or participate.
• Example: “She decided to invite all her friends to the party.”

Issue

• Meaning: An important topic or problem for discussion.
• Example: “Climate change is a significant global issue.”

Iron

• Meaning: A strong, hard magnetic metal.
• Example: “The blacksmith forged the iron into a sword.”

Injury

• Meaning: Harm or damage to the body.
• Example: “He suffered a knee injury during the match.”

Isolate

• Meaning: To set apart from others.
• Example: “The patient was isolated to prevent the spread of the disease.”

Interest

• Meaning: The feeling of wanting to know or learn about something.
• Example: “She has a strong interest in environmental issues.”

Intense

• Meaning: Of extreme force, degree, or strength.
• Example: “The competition was intense, with every team giving their best.”

Ignore

• Meaning: To refuse to take notice of or acknowledge.
• Example: “He decided to ignore the rude comments.”

Income

• Meaning: Money received on a regular basis from work or investments.
• Example: “Her income comes from her job as a software engineer.”

Idealize

• Meaning: To represent as perfect or better than reality.
• Example: “It’s easy to idealize the past and forget the challenges.”

Instruct

• Meaning: To teach or give directions.
• Example: “The coach instructed the players on the new strategy.”

Inhabit

• Meaning: To live or dwell in a place.
• Example: “Many species inhabit the dense forests of the Amazon.”

Imply

• Meaning: To suggest or indicate something indirectly.
• Example: “Her tone seemed to imply that she was unhappy with the decision.”

Inquire

• Meaning: To ask for information.
• Example: “She inquired about the availability of the product.”

Irrigate

• Meaning: To supply water to land or crops to help growth.
• Example: “Farmers irrigate their fields to ensure a good harvest.”

Insure

• Meaning: To protect against risk by regularly paying an insurance company.
• Example: “He insured his car against theft and damage.”

Inflict

• Meaning: To cause something unpleasant to be suffered by someone or something.
• Example: “The storm inflicted heavy damage on the coastal town.”

Instinct

• Meaning: An innate, typically fixed pattern of behavior.
• Example: “His survival instinct kicked in during the dangerous situation.”

Installment

• Meaning: A sum of money due as one of several equal payments.
• Example: “She paid for the car in monthly installments.”

Inquiry

• Meaning: An act of asking for information.
• Example: “The company launched an inquiry into the missing funds.”

Infamous

• Meaning: Well known for some bad quality or deed.
• Example: “The dictator was infamous for his cruel regime.”

Impulse

• Meaning: A sudden strong urge or desire to act.
• Example: “He bought the expensive watch on impulse.”

Intuit

• Meaning: To understand or work out by instinct.
• Example: “She was able to intuit his feelings without him saying a word.”

Inculpate

• Meaning: To accuse or blame.
• Example: “The evidence seemed to inculpate the suspect.”

Ignorant

• Meaning: Lacking knowledge or awareness in general.
• Example: “He was ignorant of the local customs and made several mistakes.”

Intimate

• Meaning: Closely acquainted; familiar.
• Example: “They had an intimate conversation about their future.”

Intractable

• Meaning: Hard to control or deal with.
• Example: “The intractable problem required a creative solution.”

Inflate

• Meaning: To fill with air or gas so it becomes larger.
• Example: “They used a pump to inflate the balloons.”

Intervene

• Meaning: To come between disputing people or groups.
• Example: “The teacher had to intervene to stop the fight.”

Incisive

• Meaning: Clear and direct; sharply focused.
• Example: “Her incisive comments cut through the confusion.”

Initiate

• Meaning: To begin or start something.
• Example: “The company will initiate the new project next month.”

Incline

• Meaning: To have a tendency or preference.
• Example: “She inclined her head in agreement.”

Intuitively

• Meaning: Without conscious reasoning; instinctively.
• Example: “He intuitively knew that something was wrong.”

Invasion

• Meaning: An unwelcome intrusion into another’s domain.
• Example: “The invasion of privacy was unacceptable.”

Invest

• Meaning: To allocate money or resources in the expectation of some benefit.
• Example: “He decided to invest in the stock market.”

Intellectual

• Meaning: Relating to the intellect or requiring reasoning.
• Example: “The debate was an intellectual exercise.”

Irregular

• Meaning: Not following a pattern; inconsistent.
• Example: “His attendance at work was irregular.”

Indifferent

• Meaning: Having no particular interest or concern.
• Example: “She was indifferent to the outcome of the election.”

Industrious

• Meaning: Diligent and hard-working.
• Example: “The industrious student finished her project ahead of time.”

Induct

• Meaning: To formally admit someone to a position or organization.
• Example: “He was inducted into the Hall of Fame.”

Inept

• Meaning: Lacking skill or ability.
• Example: “The inept handling of the situation led to more problems.”

Impactful

• Meaning: Having a significant impact or effect.
• Example: “Her speech was both emotional and impactful.”

Immigrate

• Meaning: To come to live permanently in a foreign country.
• Example: “They decided to immigrate to Canada for better opportunities.”

Irony

• Meaning: The expression of meaning by using language that signifies the opposite.
• Example: “It’s an irony that the fire station burned down.”

Inert

• Meaning: Lacking the ability or strength to move.
• Example: “The inert gas doesn’t react under normal conditions.”

Illustration

• Meaning: A visual explanation or example.
• Example: “The book contains several illustrations of the topic.”

Integrate

• Meaning: To combine or incorporate parts into a whole.
• Example: “The new system integrates several different technologies.”

Intricate

• Meaning: Very complicated or detailed.
• Example: “The puzzle was intricate and took hours to solve.”

Investigation

• Meaning: The action of investigating something or someone.
• Example: “The police launched an investigation into the robbery.”

Inclined

• Meaning: Having a preference or tendency.
• Example: “She is inclined to believe his version of the story.”

Interpersonal

• Meaning: Relating to relationships between people.
• Example: “Strong interpersonal skills are essential in any job.”

Individual

• Meaning: A single human being as distinct from a group.
• Example: “Each individual in the team contributed to the success.”

Incur

• Meaning: To become subject to something unwelcome as a result of one’s actions.
• Example: “He incurred a large debt after his business failed.”

Inhibitor

• Meaning: A substance that slows down or prevents a particular chemical reaction.
• Example: “The enzyme inhibitor slowed down the reaction rate.”

Inherent

• Meaning: Existing as a natural or essential part of something.
• Example: “There are inherent risks in any new venture.”

Immediate

• Meaning: Occurring or done at once; instant.
• Example: “The response to the emergency was immediate.”

Inoffensive

• Meaning: Not likely to offend or provoke.
• Example: “His comments were inoffensive and well-received.”

Impudent

• Meaning: Not showing due respect for another person; impertinent.
• Example: “The child’s impudent behavior shocked everyone.”

Instrument

• Meaning: A tool or implement used for a particular purpose.
• Example: “The surgeon used a precision instrument during the operation.”

Irrelevant

• Meaning: Not connected with or relevant to something.
• Example: “The details of his personal life are irrelevant to the case.”

Interject

• Meaning: To say something abruptly, especially as an interruption.
• Example: “She interjected with a question during the discussion.”

Implement

• Meaning: To put a decision, plan, or agreement into effect.
• Example: “The company decided to implement new policies.”

Indiscreet

• Meaning: Not careful in saying or doing things that should remain secret or private.
• Example: “His indiscreet remarks led to an awkward situation.”

Ironic

• Meaning: Using irony or happening in a way contrary to what is expected.
• Example: “It’s ironic that the best swimmer drowned in shallow water.”

Interlude

• Meaning: A pause or break in the middle of something.
• Example: “There was a brief interlude in the concert for an intermission.”

Imprecise

• Meaning: Not accurate or exact.
• Example: “His instructions were imprecise, leading to confusion.”

Incarcerate

• Meaning: To imprison or confine.
• Example: “The criminal was incarcerated for his crimes.”

Inflammatory

• Meaning: Arousing or intended to arouse angry or violent feelings.
• Example: “His inflammatory speech incited the crowd to riot.”

Inclusive

• Meaning: Including all the services or items normally expected or required.
• Example: “The hotel offers an all-inclusive package.”

Intrepid

• Meaning: Fearless; adventurous.
• Example: “The intrepid explorer ventured into the unknown.”

Insipid

• Meaning: Lacking flavor or interest.
• Example: “The soup was insipid and needed more seasoning.”

Impression

• Meaning: An idea, feeling, or opinion about something or someone.
• Example: “Her first impression of the city was very positive.”

Injunction

• Meaning: An authoritative warning or order.
• Example: “The court issued an injunction to stop the construction.”

Identifiable

• Meaning: Able to be recognized or distinguished.
• Example: “The suspect was easily identifiable by his distinctive tattoo.”

Incidental

• Meaning: Occurring as a minor accompaniment or by chance.
• Example: “The damage was incidental to the main cause of the accident.”

Illusion

• Meaning: A deceptive appearance or impression.
• Example: “The magician created an illusion that left the audience amazed.”

Incredible

• Meaning: Impossible to believe.
• Example: “Her performance was incredible and received a standing ovation.”

Intuition

• Meaning: The ability to understand something instinctively, without conscious reasoning.
• Example: “She relied on her intuition to make the decision.”

Incurable

• Meaning: Not able to be cured.
• Example: “The disease was declared incurable by the doctors.”

Inaccurate

• Meaning: Not correct or exact.
• Example: “The report was full of inaccurate information.”

Infusion

• Meaning: The introduction of a new element or quality into something.
• Example: “The tea had a strong infusion of herbs.”

Irrational

• Meaning: Not logical or reasonable.
• Example: “His fear of heights was completely irrational.”

Insinuate

• Meaning: To suggest or hint something bad in an indirect and unpleasant way.
• Example: “He tried to insinuate that she was lying.”

Impetus

• Meaning: The force that makes something happen or move.
• Example: “The new policy gave fresh impetus to the project.”

Incumbent

• Meaning: Necessary for someone as a duty or responsibility.
• Example: “It is incumbent upon us to help those in need.”

Inventive

• Meaning: Having the ability to create or design new things.
• Example: “The inventor was known for his inventive ideas.”

Inhabitant

• Meaning: A person or animal that lives in a place.
• Example: “The island’s only inhabitants were a few stray cats.”

Infidelity

• Meaning: The action of being unfaithful to a spouse or partner.
• Example: “Infidelity led to the end of their marriage.”

Informative

• Meaning: Providing useful or interesting information.
• Example: “The documentary was very informative.”

Inferior

• Meaning: Lower in rank, status, or quality.
• Example: “The product was of inferior quality compared to its competitors.”

Influx

• Meaning: An arrival or entry of large numbers of people or things.
• Example: “The city experienced an influx of tourists during the summer.”

Insolent

• Meaning: Showing a rude and arrogant lack of respect.
• Example: “His insolent remarks angered his colleagues.”

Inevitable

• Meaning: Certain to happen; unavoidable.
• Example: “The breakup was inevitable given their constant arguments.”

Imposing

• Meaning: Grand and impressive in appearance.
• Example: “The castle was an imposing structure on the hill.”

Implication

• Meaning: A conclusion that can be drawn from something, though it is not explicitly stated.
• Example: “The implication of his words was that she was to blame.”

Innumerable

• Meaning: Too many to be counted.
• Example: “The stars in the sky are innumerable.”

Innocent

• Meaning: Not guilty of a crime or offense.
• Example: “The jury found him innocent of all charges.”

Investigate

• Meaning: To carry out research or study into a subject to discover facts.
• Example: “The police were called in to investigate the incident.”

Imbalance

• Meaning: A situation in which different elements are not in the correct proportions.
• Example: “The diet led to an imbalance in his nutritional intake.”

Insinuation

• Meaning: An unpleasant hint or suggestion of something bad.
• Example: “His insinuation that she was dishonest was hurtful.”

Illogical

• Meaning: Lacking sense or clear, sound reasoning.
• Example: “The conclusion he reached was completely illogical.”

Ineffective

• Meaning: Not producing any significant or desired effect.
• Example: “The medicine proved to be ineffective in treating the disease.”

Intransigent

• Meaning: Unwilling or refusing to change one’s views or to agree about something.
• Example: “The negotiators were intransigent, and no agreement was reached.”

Infallible

• Meaning: Incapable of making mistakes or being wrong.
• Example: “He believed that his plan was infallible.”

Infrequent

• Meaning: Not occurring often.
• Example: “The bus service to the village is infrequent.”

Innocuous

• Meaning: Not harmful or offensive.
• Example: “The comment was meant to be innocuous, but she took it personally.”

Indispensable

• Meaning: Absolutely necessary.
• Example: “A good dictionary is indispensable for learning a new language.”

Institution

• Meaning: An established organization, especially one providing a public service.
• Example: “The university is a respected institution of higher learning.”

Imperfect

• Meaning: Not perfect; having flaws or defects.
• Example: “The system is imperfect but works well enough for our needs.”

Intrigue

• Meaning: Arouse the curiosity or interest of; fascinate.
• Example: “The mystery novel was full of intrigue.”

Idealistic

• Meaning: Characterized by idealism; unrealistically aiming for perfection.
• Example: “Her idealistic views were admirable but impractical.”

Intimidate

• Meaning: To frighten or overawe someone, especially to make them do what one wants.
• Example: “He tried to intimidate his opponents with aggressive tactics.”

Irreversible

• Meaning: Not able to be undone or altered.
• Example: “The damage caused by the fire was irreversible.”

Ignorance

• Meaning: Lack of knowledge or information.
• Example: “His ignorance of the subject was evident during the discussion.”

Infantile

• Meaning: Childish; immature.
• Example: “His infantile behavior was inappropriate for a man of his age.”

Indolent

• Meaning: Wanting to avoid activity or exertion; lazy.
• Example: “He was criticized for his indolent approach to work.”

Impersonate

• Meaning: To pretend to be someone else.
• Example: “The actor was able to impersonate the politician perfectly.”

Inadmissible

• Meaning: Not accepted as valid, especially in a court of law.
• Example: “The judge ruled that the evidence was inadmissible.”

Intelligible

• Meaning: Able to be understood; comprehensible.
• Example: “The instructions were not very intelligible, leading to confusion.”

Intermittent

• Meaning: Occurring at irregular intervals; not continuous or steady.
• Example: “The intermittent rain disrupted the picnic.”

Irreparable

• Meaning: (Of an injury or loss) impossible to rectify or repair.
• Example: “The damage to the ancient artifact was irreparable.”

Illumination

• Meaning: Lighting or light.
• Example: “The illumination in the room was too dim for reading.”

Involuntary

• Meaning: Done without will or conscious control.
• Example: “His involuntary twitching made him self-conscious.”

Invariably

• Meaning: Always; without changing.
• Example: “He is invariably late to meetings.”

Imperative

• Meaning: Of vital importance; crucial.
• Example: “It is imperative that we meet the deadline.”

Inflexible

• Meaning: Unwilling to change or compromise.
• Example: “Her inflexible attitude made negotiations difficult.”

Incessant

• Meaning: Continuing without pause or interruption.
• Example: “The incessant noise from the construction site was unbearable.”

Inhabitable

• Meaning: Suitable for living in.
• Example: “The old house was no longer inhabitable.”

Invisibility

• Meaning: The state of being unable to be seen.
• Example: “The cloaking device rendered the ship invisible.”

Imperfectly

• Meaning: In a flawed or incomplete way.
• Example: “The task was done imperfectly, leaving room for improvement.”

Incapacitate

• Meaning: To prevent from functioning in a normal way.
• Example: “The injury incapacitated him for several weeks.”

Indeterminate

• Meaning: Not exactly known, established, or defined.
• Example: “The time of arrival was indeterminate.”

Inaudible

• Meaning: Unable to be heard.
• Example: “Her voice was inaudible over the loud music.”

Incinerate

• Meaning: To destroy something by burning.
• Example: “The waste was incinerated to prevent contamination.”

Improvised

• Meaning: Created and performed spontaneously or without preparation.
• Example: “The actor improvised his lines during the play.”

Impassive

• Meaning: Not feeling or showing emotion.
• Example: “She remained impassive even during the emotional scene.”

Incriminating

• Meaning: Making someone appear guilty of a crime or wrongdoing.
• Example: “The evidence found was incriminating.”

Inopportune

• Meaning: Occurring at an inconvenient or inappropriate time.
• Example: “His visit came at an inopportune moment.”

Ingrained

• Meaning: Firmly fixed or established; difficult to change.
• Example: “The habit of smoking was ingrained in him.”

Intangible

• Meaning: Unable to be touched or grasped; not having a physical presence.
• Example: “The sense of unease was intangible but pervasive.”

Infiltrate

• Meaning: To enter or gain access to an organization or place surreptitiously.
• Example: “The spies managed to infiltrate the enemy camp.”

Intrusive

• Meaning: Causing disruption or annoyance through being unwelcome or uninvited.
• Example: “His questions were considered intrusive by the interviewee.”

Immortal

• Meaning: Living forever; never dying or decaying.
• Example: “The legend of the immortal hero has been told for centuries.”

Inoculate

• Meaning: To treat with a vaccine to produce immunity against a disease.
• Example: “Children are inoculated against common diseases.”

Intolerant

• Meaning: Not willing to accept views, beliefs, or behavior that differ from one’s own.
• Example: “The group was intolerant of any dissenting opinions.”

Impermanence

• Meaning: The state of not lasting forever or not being permanent.
• Example: “The impermanence of the sandcastle was evident as the tide came in.”

Integrative

• Meaning: Serving or intending to unify separate things.
• Example: “The integrative approach helped to bring together different departments.”

Innovative

• Meaning: Featuring new methods; advanced and original.
• Example: “The company is known for its innovative technology.”

Irrigation

• Meaning: The supply of water to land or crops to help growth.
• Example: “The irrigation system ensured that the crops were well-watered.”

Intonation

• Meaning: The rise and fall of the voice in speaking.
• Example: “Her intonation made it clear that she was asking a question.”

Intersperse

• Meaning: Scatter among or between other things.
• Example: “Trees were interspersed throughout the park.”

Impetuous

• Meaning: Acting or done quickly and without thought or care.
• Example: “His impetuous decision to quit his job shocked everyone.”

Inculpatory

• Meaning: Showing or suggesting that someone is guilty of a crime.
• Example: “The inculpatory evidence was presented during the trial.”

Interrogative

• Meaning: Having or conveying the force of a question.
• Example: “Her interrogative tone made him feel like he was on trial.”

Immobilize

• Meaning: Prevent from moving or operating as normal.
• Example: “The doctor had to immobilize the patient’s broken leg.”

Intransitive

• Meaning: (Of a verb) not taking a direct object.
• Example: “The verb ‘sleep’ is intransitive because it does not require an object.”

Ingratiate

• Meaning: Bring oneself into favor with someone by flattering or trying to please them.
• Example: “He tried to ingratiate himself with the boss by offering to help.”

Inconsistent

• Meaning: Not staying the same throughout.
• Example: “His work performance was inconsistent, leading to mixed reviews.”

Introspect

• Meaning: To examine one’s own thoughts or feelings.
• Example: “He spent the weekend in solitude, introspecting about his life choices.”

Inconvenient

• Meaning: Causing trouble, difficulties, or discomfort.
• Example: “The power outage was highly inconvenient for the residents.”

Instinctive

• Meaning: Relating to or prompted by instinct; done without conscious thought.
• Example: “His reaction to the danger was instinctive.”

Irritability

• Meaning: The quality or state of being irritable.
• Example: “Her irritability increased due to lack of sleep.”

Impenetrable

• Meaning: Impossible to pass through or enter.
• Example: “The fortress was surrounded by an impenetrable wall.”

Impoverish

• Meaning: To make someone poor or worse off.
• Example: “The war impoverished many families in the region.”

Indecisive

• Meaning: Not able to make decisions quickly and effectively.
• Example: “Her indecisive nature caused delays in the project.”

Insulate

• Meaning: To protect something by interposing material that prevents the loss of heat or the intrusion of sound.
• Example: “The house was well-insulated to keep out the cold.”

Infallibility

• Meaning: The quality of being infallible; inability to be wrong.
• Example: “The infallibility of the system was questioned after the failure.”

Ingratiation

• Meaning: The act of gaining favor by deliberate effort.
• Example: “His ingratiation with the manager did not go unnoticed by his peers.”

Inexplicable

• Meaning: Unable to be explained or accounted for.
• Example: “The disappearance of the keys was inexplicable.”

Indignation

• Meaning: Anger or annoyance provoked by what is perceived as unfair treatment.
• Example: “She felt a surge of indignation when her idea was dismissed.”

Interference

• Meaning: The action of interfering or the process of being interfered with.
• Example: “The constant interference in his work frustrated him.”

Involvement

• Meaning: The fact or condition of being involved with or participating in something.
• Example: “Her involvement in the community project was highly appreciated.”

Infraction

• Meaning: A violation or infringement of a law or agreement.
• Example: “The infraction of the rules led to a penalty.”

Insistence

• Meaning: The act of demanding something forcefully, not allowing refusal.
• Example: “Her insistence on fairness made her a respected leader.”

Irresolute

• Meaning: Showing or feeling hesitancy; uncertain.
• Example: “He stood irresolute at the crossroads, unsure of which path to take.”

Inferential

• Meaning: Relating to or involving inference or conclusions drawn from evidence.
• Example: “His argument was based on inferential reasoning rather than direct evidence.”

Invention

• Meaning: The action of creating something new, typically a process or device.
• Example: “The invention of the light bulb revolutionized daily life.”

Interrogate

• Meaning: To ask questions of someone, especially a suspect or a prisoner, closely, aggressively, or formally.
• Example: “The detective began to interrogate the suspect about his whereabouts.”

Incipient

• Meaning: Beginning to happen or develop.
• Example: “The incipient signs of the disease were hardly noticeable at first.”

Inconsistency

• Meaning: The fact or state of being inconsistent, not staying the same throughout.
• Example: “The inconsistency in his statements made his testimony unreliable.”

Introspective

• Meaning: Characterized by or given to examining one’s own thoughts and feelings.
• Example: “She became more introspective after the loss of her friend.”

Instincts

• Meaning: An innate, typically fixed pattern of behavior in animals in response to certain stimuli.
• Example: “His survival instincts kicked in during the dangerous situation.”

Impregnable

• Meaning: Unable to be captured or broken into.
• Example: “The fortress was considered impregnable by its builders.”

Ineffectiveness

• Meaning: The lack of effectiveness; not producing the desired result.
• Example: “The ineffectiveness of the medication was evident as his condition worsened.”

Investigative

• Meaning: Pertaining to the process of investigating; searching for facts or information.
• Example: “The journalist’s investigative report uncovered the truth behind the scandal.”

Immunization

• Meaning: The process by which a person or animal becomes protected against a disease.
• Example: “Immunization against measles is recommended for all children.”

Inevitably

• Meaning: As is certain to happen; unavoidably.
• Example: “Inevitably, the storm caused delays in the flight schedules.”

Intriguing

• Meaning: Arousing one’s curiosity or interest; fascinating.
• Example: “The plot of the novel was so intriguing that she couldn’t put it down.”

Insatiable

• Meaning: (Of an appetite or desire) impossible to satisfy.
• Example: “His insatiable hunger for knowledge drove him to study all night.”

Inimitable

• Meaning: So good or unusual as to be impossible to copy; unique.
• Example: “Her inimitable style of writing set her apart from other authors.”

Incorporated

• Meaning: Formed into a legal corporation.
• Example: “The company was incorporated in 1995 and quickly grew into a global brand.”

Immodest

• Meaning: Lacking humility or decency; shameless.
• Example: “His immodest behavior at the party made everyone uncomfortable.”

Intervention

• Meaning: The action or process of intervening, especially in order to prevent something.
• Example: “The doctor recommended an immediate intervention to save the patient’s life.”

Inextricable

• Meaning: Impossible to disentangle or separate.
• Example: “The issues of poverty and education are inextricable in this community.”

Interweave

• Meaning: To mix or blend together; intertwine.
• Example: “The author managed to interweave different storylines seamlessly.”

Illustrative

• Meaning: Serving as an example or explanation.
• Example: “The teacher used an illustrative diagram to explain the concept.”

Intermediate Words That Start With I