Crazy

Word: [adjective] crazy (intensely enthusiastic about or preoccupied with)

Synonyms: wild

Example: Crazy about cars and racing

Word: [adjective] crazy (possessed by inordinate excitement)

Example: The crowd went crazy

Word: [adjective] crazy (bizarre or fantastic)

Example: Had a crazy dream

Word: [adjective] crazy (foolish)

Synonyms: half-baked

Word: [adjective] crazy (affected with madness or insanity)

Synonyms: mad

Word: [noun] crazy (someone deranged and possibly dangerous)

Synonyms: loony, looney, nutcase, weirdo