Synonyms and antonyms of Crazy person in British Thesaurus

nutjob (noun)

Americaninformal an insulting word for someone who you think is crazy

madman (noun)

an insulting word for a man who you think is behaving in a crazy way

lunatic (noun)

someone who behaves in an extreme or dangerous way

madwoman (noun)

an insulting word for a woman who you think is behaving in a crazy way

oddity (noun)

someone or something that seems strange or unusual

eccentric (noun)

someone who behaves in an eccentric way

weirdo (noun)

informal someone who behaves in a way that seems strange

oddball (noun)

informal someone whose behaviour is strange or unusual

headcase (noun)

informal an insulting word for someone who you think is crazy

screwball (noun)

informal someone who behaves in a way that seems strange or slightly crazy. This word is sometimes used as an insult.

crank (noun)

Britishinformal someone with ideas or behaviour that you think are very strange

crazy (noun)

mainly Americanoffensive someone who is mentally ill

egomaniac (noun)

showing disapproval someone who behaves in an unreasonable or crazy way because they think that they and their ideas are extremely important

flake (noun)

informal an insulting word for someone who you think is strange or unusual, or who forgets things easily

freak (noun)

someone who looks strange or who behaves in a strange way

fruitcake (noun)

informal an insulting word for someone who you think is strange or crazy

headbanger (noun)

informal an insulting word for someone who you think is crazy

loon (noun)

informal a loony

loony (noun)

informal an insulting word for someone who you think is crazy or strange

maniac (noun)

informal someone who is considered strange because they have an extremely strong enthusiasm for something

nut (noun)

mainly spoken an insulting word for someone who you think is crazy

nutcase (noun)

informal an insulting word for someone who you think is crazy

nutter (noun)

informalBritish an insulting word for someone who you think is crazy

space cadet (noun)

informal someone who behaves in a strange way or forgets things a lot

village idiot (noun)

offensive someone who lives in a village and is considered stupid or crazy by the other people that live there

whacko ()

another spelling of wacko