1N-COUNT 吸毒成瘾者;瘾君子 A junkie is a drug addict. 吸毒成瘾者;瘾君子 [informal]
2N-COUNT [n NOUN]对…上瘾的人;迷恋…的人 You can use junkie to refer to someone who is very interested in a particular activity, especially when they spend a lot of time on it. 对…上瘾的人;迷恋…的人 [informal]