Main Entry: wacky

Variant(s): also whacky \ˈwa-kē\

Function: adjective

Inflected Form(s): wack·i·er; wack·i·est

Etymology: perhaps from English dial. whacky fool

Date: circa 1935

: absurdly or amusingly eccentric or irrational : crazy <wacky ideas> <a wacky comedian>

— wack·i·ly \ˈwa-kə-lē\ adverb

— wack·i·ness \ˈwa-kē-nəs\ noun