Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Adjective: wacky (wackier,wackiest)  wa-kee
  1. Ludicrous, foolish
    "some wacky plan for selling more books";
    - goofy, silly, whacky, zany
  2. Informal or slang term meaning insane, strange, eccentric or stupid
    "it used to drive my husband wacky";
    - balmy [archaic], barmy, bats, batty, bonkers, buggy [N. Amer], cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend, whacky, daffy, dippy, daft as a brush [Brit], wacko, nutsy [N. Amer], potty [Brit], round the twist [Brit], cuckoo

Derived forms: wackiest, wackier

See also: daft, dumb, foolish, insane, stupid

Encyclopedia: Wacky