inveterate

inveterate
[ɪnˈvɛt(ə)rət]
adjective
  1. [attrib.]having a particular habit, activity, or interest that is long-established and unlikely to change
    根深蒂固的,顽固不化的
    he was an inveterate gambler.
    他是个积习难改的赌徒。
    ■(of a feeling or habit) long-established and unlikely to change
    (指情感或习惯)根深蒂固的,成癖的
派生
inveteracy
noun
inveterately
adverb
语源
  1. late 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')
英语宝典
考试词汇表