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
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Muniz is back as the titular Malcolm, the only sane voice in a particularly wacky family led by Kaczmarek (Lois) and Cranston (Hal). Mekishana Pierre, Entertainment Weekly, 7 Apr. 2026 From the wacky to the sublime, this list shows the wide range of architectural experimentation and aesthetics in the Golden State. Encyclopedia Britannica, 2 Apr. 2026 But when a second version of the mobster from six months in the future travels back in time to blow the whole deal, things get wacky. K. Thor Jensen, PC Magazine, 27 Mar. 2026 Intelligent, funny and just wacky enough to satisfy my own inner clown. Patrick Albanese As Told To Courtney Crowder, Des Moines Register, 22 Mar. 2026 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 8 Apr. 2026.

Kids Definition

wacky

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

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