inveterate
adjective/ɪnˈvetərət/
/ɪnˈvetərət/
[usually before noun] (formal, often disapproving)- (of a person) always doing something or enjoying something, and unlikely to stop
- an inveterate liar
- He was an inveterate traveller.
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- (of a bad feeling or habit) done or felt for a long time and unlikely to change
- inveterate hostility
Word Originlate Middle English (referring to disease, in the sense ‘of long standing, chronic’): from Latin inveteratus ‘made old’, past participle of inveterare (based on vetus, veter- ‘old’).
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inveterate