1 of 2


variants or less commonly whacko
: wacky


2 of 2


variants or less commonly whacko
: a person who is wacky

Examples of wacko in a Sentence

Noun She's nice but her sister's a real wacko. a completely wacko obsession with cleaning
Recent Examples on the Web
There’s still good investments, but not wacko. Time, 13 Nov. 2022 Sure, there are wackos who campaign against GMOs, but not all GMO critique is wacko. Keith Kloor, Discover Magazine, 19 Oct. 2012 Sounds crazy, but when has UAB football not been completely wacko. Joseph Goodman | Jgoodman@al.com, al, 16 Dec. 2022 Now, however, its inventors are back, and not with just another wacko, attention-getting stunt. New York Times, 10 Mar. 2022 That’s because parents and coaches in the wacko worlds of youth hockey, basketball, soccer and football can be world-class jerks. Washington Post, 6 Dec. 2021 Was Tuesday wacko day for testimony in the Statehouse? Laura Johnston, cleveland, 25 Aug. 2021 This writing team, their imaginations are just wacko brilliant. Gary Goldstein, Los Angeles Times, 2 June 2021 No long lines or voter suppression, beyond some wacko robocalls. Dave Hyde, sun-sentinel.com, 3 Nov. 2020
After 26 years, Sweets & Snacks Expo leaves Chicago, bringing with it a century of wacko candy names Advertisement Pop music top 10 for summer: Our must-see shows, from Chance the Rapper to Japanese Breakfast The restrictions are gone. Ariel Cheung, Chicago Tribune, 25 May 2023 Jakubowicz could also be following the example of Jojo Rabbit, a prime illustration of #resistance era wacko-politics, cheap sentiment, and historical revision. Armond White, National Review, 27 Mar. 2020 Now, all those wackos who’ve been writing to me with their problems can write to her. Rick Kogan, chicagotribune.com, 28 June 2018 At the very least, in a game that has known a lot of eccentrics LaVar has put himself in the running for the greatest wacko. Mark Heisler, Orange County Register, 12 May 2017 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'wacko.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History



by alteration

First Known Use


1965, in the meaning defined above


1936, in the meaning defined above

Time Traveler
The first known use of wacko was in 1936

Dictionary Entries Near wacko

Cite this Entry

“Wacko.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wacko. Accessed 21 Feb. 2024.

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