variants or less commonly whacky
wackier also whackier; wackiest also whackiest
Synonyms of wackynext
: absurdly or amusingly eccentric or irrational
wacky ideas
a wacky comedian
wackily adverb
wackiness noun

Examples of wacky in a Sentence

My wacky aunt takes a swim before the lake freezes every winter. the wacky world of his imagination
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Philadelphia Eagles quarterback Jalen Hurts was involved in a wacky play on Monday night after throwing an interception to Los Angeles Chargers defensive lineman Da’Shawn Hand. Ryan Gaydos, FOXNews.com, 9 Dec. 2025 On Atlanta's next possession, Kirk Cousins' pass for Kyle Pitts was deflected and picked off by Emmanwori, his first career pick, Devon Witherspoon had another pick on a wacky play when the ball ricocheted high in the air on a short throw by Cousins. CBS News, 7 Dec. 2025 The wacky nonsense viewers could see coming out of Sarandos’ brave new world aren’t an existential threat to the industry, and all those beloved stories could even result in some genuinely cool projects. Dana Harris-Bridson, IndieWire, 6 Dec. 2025 Yes, many of his looks were wacky and tacky, like cocktail dresses that were tucked into underwear to reveal models’ butts, or nipple-baring too-tight tank tops with ab-revealing low-slung sleeve holes. Rachel Tashjian, CNN Money, 4 Dec. 2025 See All Example Sentences for wacky

Word History

Etymology

perhaps from English dialect whacky fool

First Known Use

1930, in the meaning defined above

Time Traveler
The first known use of wacky was in 1930

Browse Nearby Words

Cite this Entry

“Wacky.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wacky. Accessed 13 Dec. 2025.

Kids Definition

wacky

adjective
wackier; wackiest
: amusing and very strange
wackily
ˈwak-ə-lē
adverb
wackiness
ˈwak-ē-nəs
noun

More from Merriam-Webster on wacky

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!