wacky

adjective

ˈwa-kē How to pronounce wacky (audio)
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
ˈwa-kə-lē How to pronounce wacky (audio)
adverb
wackiness
ˈwa-kē-nəs How to pronounce wacky (audio)
noun

Synonyms of wacky

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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.
How the Phillies then scored six runs in, like, the next 38 seconds is both totally wacky and totally on brand. — Jayson Stark, New York Times, 4 Sep. 2026 Beer brands brewing wacky prizes and products Samuel Adams' Front Yard Beer Hall is isn't the first beer shed unveiled this summer. — Mike Snider, USA Today, 1 Sep. 2026 The actual titular story of this premiere is more of a wacky subplot. — Ben Rosenstock, Vulture, 28 Aug. 2026 The theater, no surprise, went with the Ibsen work that seems written expressly for this wacky MAHA moment. — Theater Critic, Los Angeles Times, 26 Aug. 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

Rhymes for wacky

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Browse Nearby Words

wacko
wacky
wacky tobacky
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Cite this Entry

“Wacky.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wacky. Accessed 5 Sep. 2026.

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Kids Definition

wacky

adjective
ˈwak-ē How to pronounce wacky (audio)
wackier; wackiest
: amusing and very strange
wackily
ˈwak-ə-lē
adverb
wackiness
ˈwak-ē-nəs
noun
Last Updated: - Updated example sentences
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