wacko 1 of 2

adjective

ˈwa-(ˌ)kō How to pronounce wacko (audio)
variants also whacko
Definition of wackonext
as in absurd
showing or marked by a lack of good sense or judgment a completely wacko obsession with cleaning

Synonyms & Similar Words

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Antonyms & Near Antonyms

wacko

2 of 2

noun

variants also whacko
as in eccentric
a person of odd or whimsical habits Some think he is a wacko but I consider him a genius.

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

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.
Recent Examples of wacko
Adjective
This wacko crew was one of the greatest things in the history of television. — Jordan Hoffman, EW.com, 14 Aug. 2025 Sounds crazy, but when has UAB football not been completely wacko. — Joseph Goodman | [email protected], al, 16 Dec. 2022
Noun
His search takes him to a wacko cult in the desert run by a scamster, and that of course puts the sheriff in deadly danger. — Sandra Dallas, Denver Post, 6 July 2025 You could also get lost attempting to read the splintered English and Hebrew letters running atop a stage festooned with wacko props and occult imagery. — Andrew Lampert, Artforum, 1 May 2025 See All Example Sentences for wacko
Recent Examples of Synonyms for wacko
  1. stupid
  2. eccentric
  3. silly
  4. character
  5. foolish
  6. weirdo
  7. crazy
  8. crackpot
Adjective
  • Sick and suffering and young and stupid do not factor into the construction of a case against you.
    — Ivy Wolk, Vulture, 28 Oct. 2026
  • Just give us the stupid game on the stupid channel and leave us alone.
    — Zach Dean OutKick, FOXNews.com, 22 Oct. 2026
Definition of stupid
Noun
  • Step inside, though, and you’re transported to a bucolic Britain of rolling hills and village greens, bumbling eccentrics and cute, clever farm animals.
    — Scott Roxborough, HollywoodReporter, 22 Oct. 2026
  • The professionalization worked, but at the expense of the site’s internal culture, Cooke argues, as generous eccentrics were displaced by neurotic lovers of rules.
    — Julian Lucas, New Yorker, 21 Oct. 2026
Definition of eccentric
Adjective
  • The Wu-Tang Clan's mastermind has carved out a second career directing mid-level action flicks, and last year's One Spoon of Chocolate is a solid if silly movie.
    — K. Thor Jensen, PC Magazine, 23 Oct. 2026
  • Most phone apps look silly this way, especially those still running as standard iPhone apps, which look normal but with lots of black padding on either side.
    — Nilay Patel, The Verge, 21 Oct. 2026
Definition of silly
Noun
  • It was approved by voters into the county charter in 2004 in an effort to preserve the area’s rural character and prevent high-density sprawl from stretching toward the Brevard County line.
    — Martin E. Comas, The Orlando Sentinel, 29 Oct. 2026
  • These private, elevated spaces so intrinsic to the character of the property will remain closed to the public while management seeks a practical solution.
    — Condé Nast, Condé Nast Traveler, 29 Oct. 2026
Definition of character
Adjective
  • The descent into foolish and self-destructive groupthink provides the drama.
    — Doreen St. Félix, New Yorker, 24 Oct. 2026
  • But Ohtani also struck out three times Thursday — made to look foolish in a much-too-familiar way.
    — Mirjam Swanson, Los Angeles Times, 16 Oct. 2026
Definition of foolish
Noun
  • The singer-songwriter’s seventh album is their wackiest and funniest to date, with a madcap gleam coursing through its synth-pop portraits of lovable weirdos and suburban dread.
    — Zach Schonfeld, Pitchfork, 26 Oct. 2026
  • This is DeFalco’s debut feature after making several skits about weirdos with warped goals.
    — Amy Nicholson, Los Angeles Times, 23 Oct. 2026
Definition of weirdo
Adjective
  • Is that the kind of hubristic myth-of-genius move that often drives proxy firms and large shareholders crazy?
    — Diane Brady, Fortune, 27 Oct. 2026
  • Of all the crazy things that had befallen him since skiing Everest—Prince Harry buying him rounds, Meghan Markle texting him on the crag, dining with John Malkovich—one stood out.
    — Nick Paumgarten, New Yorker, 26 Oct. 2026
Definition of crazy
Noun
  • Musk, as the documentary makes clear, is a genuine if flawed technocratic visionary, a messianic opportunist, and something of a crackpot.
    — Owen Gleiberman, Variety, 8 Sep. 2026
  • Get the angst out of the games, and the crackpots will move on to some other fashionable cause.
    — Dom Amore, Hartford Courant, 26 July 2026
Definition of crackpot

Browse Nearby Words

wackiness
wacko
wackos
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Cite this Entry

“Wacko.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/wacko. Accessed 31 Oct. 2026.

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