Wacky

//ˈwæk.iː// adj, noun, slang

adj, noun, slang ·Common ·High school level

Definitions

Noun
  1. 1
    Alternative form of wacke. alt-of, alternative, countable, uncountable
Adjective
  1. 1
    Zany; eccentric. informal, slang

    "Though the idea of placing wacky made-up characters in a real-life context was carried over from Da Ali G Show—wherein Buzz Aldrin was once asked if he was upset that Michael Jackson got all the credit for inventing the moonwalk—Sacha Baron Cohen’s Borat felt like something new, an attempt to square an improvised, guerrilla style of underground comedy with reality-TV stunt shows like Jackass or Fear Factor."

Adjective
  1. 1
    informal or slang terms for mentally irregular wordnet
  2. 2
    ludicrous, foolish wordnet

Example

More examples

"Remember "Wacky Races"? Watch the US primary, it's its spitting image!"

Etymology

From whack (“someone who whacked his head onto something often, hence being weird”) + -y.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.