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.
In the wacky political world of Southeast Los Angeles County — where scandals seem to bloom every year with the regularity of jacarandas — there’s never been a mess as pendejo as the one stirred up this week by Cudahy Vice Mayor Cynthia Gonzalez. Gustavo Arellano, Los Angeles Times, 26 June 2025 Prime Video’s local service will premiere episodes of wacky summer competition show El Grand Prix immediately after their debut on pubcaster RTVE‘s La 1. Jesse Whittock, Deadline, 17 June 2025 Lays first asked fans to submit their wackiest and most delicious chip flavor ideas in October 2024, and the three finalists were finally announced in April. Charlotte Phillipp, People.com, 17 June 2025 The hope is that her big presence on social media — where Dance Mom posts bubbly videos of herself performing wacky, old-school choreography — could help juice ratings. Lynette Rice, Deadline, 13 June 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 4 Jul. 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!