B2 noun, verb /ˈædɪkt/ (noun), /əˈdɪkt/ (verb)
addict
中毒者
Meaning
a person who is unable to stop using a harmful substance or doing something harmful; to cause someone to become dependent on something
Example
He is a video game addict who spends hours playing every day.
彼は毎日何時間もゲームをするゲーム中毒者です。