Dreye權威釋義|inveterate

a.

根深蒂固的；積習已深的；頑固的
He is an inveterate and compulsory gambler. It is impossible for him to quit.
他是個積習已深的強迫性賭徒，要他戒賭是不可能的。

ad.

inveterately

n.

inveterateness

同義參見:

以上來源於：《英漢大辭典》

/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.

ME (referring to disease, in the sense ‘chronic’): from L. inveteratus ‘made old’, past part. of inveterare.

以上來源於：《簡明牛津英語詞典》