/
ɪnˈvɛt(ə)rət/
adj.
having a long-standing and firmly established habit or activity:
he was an inveterate gambler.
▸(of a feeling or habit) firmly established.
Derivative
- inveteracy n.
- inveterately adv.
Etymology
ME (referring to disease, in the sense ‘chronic’): from L. inveteratus ‘made old’, past part. of inveterare.