Interlope [verb]

● Hinder

● Advance

● Intrude

● Snoop

● Trespass

● Inquire

● Tamper

● Impose

● Interpose

● Interfere

● Infringe

● Encumber

● Impede

● Encroach

● Obtrude

● Molest

● Pry

● Invade

● Barge in

● Busybody

● Butt in

● Horn in

● Mess around

● Kibitz

● Abuse rights

● Break in on

● Chime in

● Come uninvited

● Crash the gates

● Dabble in

● Fool with

● Intermeddle

● Mix in

● Push in

● Put two cents in

● Sidewalk-superintend

● Stick nose in

● Worm in

● Leave alone

● Yield

● Withdraw

● Help

● Forward

● Retreat

● Facilitate

● Assist

● Aid

● Interlope

● Interloper

● Marplot

● Encroachment

● Intrusion

● Trespasser

● Intruder

● Intrude on

● Interference

● Busybody

● Meddler

● Accroach

● Landlouper

● Uninvited

● Unwelcome person

● Butt in

● Overmeddling

● Entermete

● Overmeddle

● Invader

● Interfere

● Unwelcome

● Overofficious

● Nosy parker

● Meddlingly

● Obtrusion

● Meddlesome

● Meddlesomely

● Usurp

● Intervenient

● Maraud

● Intercoming

● Intermise

● Uninvitedly

● Buttinsky

● Inbreak

● Unauthorized

● Incursion

● Purpresture

● Nosy

● Alien

● Subreption

● Untoward

● Unwanted

● Undesirable

● Malevolent

● Endenizen

● Monopolize

● Straggler

● Intrusively

● Eavesdrop

● Infringe

● Undesired

● Extraterrestrial

● Kibitzer

● Arriviste

● Ruffianism

● Surreptitiously

● Intermeddle

● Miscreant

● Infiltrator

● Irruption

● Inadvertent

● Waylay

● Unauthorised

● Officious

● Stickybeak

● Errant

● Thwart

● Decursion

● Nuisance

● Infringement

● Hyperparasite

● Nefarious

● Obstructer

● Jostle

● Infractor

● Prowl

● Accost

● Outsider

● Extraneousness

● Obtrude

● Intervene

● Unbarricadoed

● Harass

● Disnaturalize

● Colonizer

● Impede

● Overzealous

● Minacious

● Freeload

● Predation

● Snary

● Obtrusive

● Squabbler

● Illegally

● Dawn chorus

● Restrictive practice

● Invasive

● Upstart