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.
The series will continue to take viewers on tours of the weirdest, wackiest and wildest properties on the market. Armando Tinoco, Deadline, 16 Dec. 2025 There’s so many people coming and going that there’s sure to be a few wacky personalities along the way. Brayden Garcia, Fort Worth Star-Telegram, 15 Dec. 2025 Watch Fargo on Paramount+ Rat Race Rat Race might not be a murder mystery, but Knives Out fans will still love the wacky and hilarious movie. Keith Langston, PEOPLE, 15 Dec. 2025 View gallery - 3 images Colin Furze used to be a plumber, but really found his calling building wacky contraptions, like a homemade hoverbike, a bicycle with wheels made of ice, and automatic Wolverine claws. Abhimanyu Ghoshal, New Atlas, 14 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 19 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

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