variants or less commonly whacky
wackier also whackier; wackiest also whackiest
: 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.
Mixing Lake's elaborate visuals with The Muppet's wacky humor will be the perfect pairing, producers Joe Quenqua and Gareth Lake of Glass Half Full Productions said in a statement. Dave Quinn, People.com, 20 Aug. 2025 Educational content creator and former NASA engineer Mark Rober is bringing his wacky experiments to Netflix in 2026 with a new kids and family competition series. Andrew McGowan, Variety, 20 Aug. 2025 Sheeran truly sports it all throughout the video, from wacky Hawaiian shirts to sleek tweed suits. Christian Allaire, Vogue, 7 Aug. 2025 Everyone is trying to MAKE NEW YORK GREAT AGAIN, and it can never be done with this wacky crook in office. Jenna Sundel hannah Parry, MSNBC Newsweek, 8 Aug. 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 31 Aug. 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

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