maniac
Pronunciation
change- (US) IPA (key): /ˈmeɪniˌæk/
Audio (UK) (file) - Hyphenation: ma‧ni‧ac
Noun
change- (countable) A maniac is someone who is crazy. Their mind is not working right.
- It is never safe to trust a maniac.
- A maniac is someone who has an obsession with or extreme enthusiasm for something.