Synonyms and antonyms of Crazy person in American 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

maniac (noun)

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

oddball (noun)

informal someone whose behavior is strange or unusual

headcase (noun)

informal 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

crank (noun)

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

crazy (noun)

offensive someone who is mentally ill

ding-a-ling (noun)

Americanoffensive someone who behaves in an unusual way or who often forgets things

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

kook (noun)

informal someone who is kooky

loon (noun)

informal a loony

loony (noun)

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

loony tune (noun)

Americaninformal an insulting word for someone who you think is crazy

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

screwball (noun)

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

village idiot (noun)

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

weirdo (noun)

informal someone who behaves in a way that seems strange

whacko ()

another spelling of wacko

wildcat (noun)

informal someone who ignores rules and behaves in a strange way, and who may become angry very easily