whacky meaning and definition

WHACKY adjective

Definition of whacky (adjective)

1. ludicrous, foolish
   • "gave me a cockamamie reason for not going"; "wore a goofy hat"; "a silly idea"; "some wacky plan for selling more books"
   • synonyms: cockamamie, cockamamy, goofy, sappy, silly, wacky, zany
2. informal or slang terms for mentally irregular
   • "it used to drive my husband balmy"
   • synonyms: around the bend, balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kookie, kooky, loco, loony, loopy, nuts, nutty, round the bend, wacky