Do you want to know what other words you can use to say that someone is crazy? Look no further, we have the answers you need. Keep reading and you will find multiple examples and learn how to use them.
Berserk
Meaning: Incredibly angry or crazy because of something.
Example Sentence: Lucy went berserk when she found out about my infidelity.
Cuckoo
Meaning: Crazy, insane, a comical way of saying it.
Example Sentence: You didn’t hear it from me, but Jimmy is cuckoo!
Insane
Meaning: Crazy, mad.
Example Sentence: James went insane after losing his job
Kooky
Meaning: Strange, eccentric, crazy.
Example Sentence: I love watching kooky comedies from the ’90s.
Lunatic
Meaning: A crazy person, someone who is mentally unstable.
Example Sentence: Johnny is a lunatic, he punched his wife.
Mad
Meaning: Insane, mentally ill.
Example Sentence: Kyle went mad after his wife left him.
Nuts
Meaning: Mad, crazy.
Example Sentence: His behavior drives me nuts, but I still love him.
Nutty
Meaning: Mad, crazy.
Example Sentence: All of his ideas are nutty!
Silly
Meaning: Foolish, crazy.
Example Sentence: Michael is so silly, but I love him.
Wacky
Meaning: Crazy, silly.
Example Sentence: He made a wacky school project and got an F.