addict

Từ điển Oxford Advanced Learner 8th

ad·dict [addict addicts addicted addicting] BrE [ˈædɪkt] NAmE [ˈædɪkt] noun
1. a person who is unable to stop taking harmful drugs
•a heroin/drug/nicotine addict
•the treatment and rehabilitation of addicts
2. a person who is very interested in sth and spends a lot of their free time on it
•a video game addict

Word Origin:
early 20th cent.: from the obsolete verb addict, which was a back-formation from ↑addicted.

Example Bank:
•Many young boys become computer addicts.
•I used to be a video game addict— I literally spent all my free time playing games.

• Từ đồng nghĩa / Synonyms:
  nut, freak, junkie, junky, hook