Synonyms: cracked, crackers, daft, dotty, haywire, round the bend, loco, loony, loopy, kookie, kooky, balmy, barmy, bats, batty, around the bend, wacky, whacky, buggy, bonkers, nuts, nutty, fruity
Definition: informal or slang terms for mentally irregular
Usage: it used to drive my husband balmy
Similar words: insane
Definition: afflicted with or characteristic of mental derangement
Usage: was declared insane; insane laughter
Synonyms: wacky, whacky, zany, goofy, cockamamie, cockamamy, sappy, silly
Definition: ludicrous, foolish
Usage: gave me a cockamamie reason for not going; wore a goofy hat; a silly idea; some wacky plan for selling more books
Similar words: foolish
Definition: devoid of good sense or judgment
Usage: foolish remarks; a foolish decision