Definition of Chronic:

incessant, never-ending

Synonyms of Chronic:

lifelong, continuous, continuing, habitual, recurrent, protracted, persistent, sustained, deep-rooted, deep-seated, continual, constant, incurable, lingering, abiding, ceaseless, confirmed, enduring, fixed, inborn, inbred, ingrained, inveterate, lasting, long-standing, obstinate, perennial, prolonged, rooted, routine, settled, stubborn, tenacious, unmitigated, unyielding, usual, ineradicable, long-lived, recurring, ever-present, persisting, unabating

Opposite/Antonyms of Chronic:

stopping, ending, , curable, inconstant, occasional, infrequent, interrupted, intermittent, halting, temporary

Sentence/Example of Chronic: