1. Of long duration; continuing: chronic money problems.2. Lasting for a long period of time or marked by frequent recurrence, as certain diseases: chronic colitis.3. Subject to a habit or pattern of behavior for a long time: a chronic liar.
ETYMOLOGY:
French chronique, from Latin chronicus, from Greek khronikos, of time, from khronos, time.
chronic, confirmed, habitual, inveterate These adjectives mean having long had a habit or a disease: a chronic complainer; a confirmed alcoholic; a habitual cheat; an inveterate smoker.