Adjective wacky has 2 senses
- cockamamie, cockamamy, goofy, sappy, silly, wacky, whacky, zany, unreasonable - pungent adjectives of disesteem; "gave me a cockamamie reason for not going"; "wore a goofy hat"; "a silly idea"; "some wacky plan for selling more books"
Antonym: wise (indirect, via foolish)
- balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky - informal or slang terms for mentally irregular; "it used to drive my husband balmy"
Antonym: sane (indirect, via insane)
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