crazy

US /ˈkrezi/

UK /'kreɪzɪ/

A2
adj.AdjectiveMentally ill; mad
People called him crazy because he thought he could talk to animals
adj.AdjectiveNot being sensible or practical
She is my crazy sister, I do not understand why she does things
n.NounPerson acting in a manner that is strange and odd
He is a crazy who likes to work at night
adj.AdjectiveReally like someone or something very much
He had always been crazy about her since they had first met in high school