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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
  • Whatever to the silly old poem and whatever to the ceremony and all its stupid little details and whatever to all the rules for daughters.
    — Literary Hub, Literary Hub, 22 Sep. 2026
  • Militarizing an arch in front of the Memorial Bridge is an even more dangerous and stupid idea than turning a ballroom into a bastion.
    — Tom Nichols, The Atlantic, 20 Sep. 2026
Definition of stupid
Noun
  • The public reckonings with these figures’ legacies—the troubled former child star gone too soon, the beloved icon, the cult favorite, the complicated eccentric—have come in a cascade.
    — Michael Schulman, New Yorker, 5 Sep. 2026
  • Make sure to practice a full range of motion with these and emphasize the eccentric (the way down) part of the movement for maximal time under tension and muscle-building stimulus.
    — Jakob Roze, HEALTH, 19 Aug. 2026
Definition of eccentric
Adjective
  • Whatever to the silly old poem and whatever to the ceremony and all its stupid little details and whatever to all the rules for daughters.
    — Literary Hub, Literary Hub, 22 Sep. 2026
  • His faith in the transformative power of a deeply silly musical about nosy neighbors provides the film with its strongest anchor of relatable humanity.
    — Joe Reid, Vulture, 21 Sep. 2026
Definition of silly
Noun
  • Grande’s character was killed off in the first season, and the series was canceled after two seasons.
    — Lexi Carson, HollywoodReporter, 24 Sep. 2026
  • Their characters contended with sexism, inflexible schedules, unequal pay and the near impossibility of balancing work with responsibilities at home.
    — Arkansas Online, Arkansas Online, 23 Sep. 2026
Definition of character
Adjective
  • While the era’s bust eventually brought most of those ventures to an end, Brown said the experience taught him not to let the fear of failure—or looking foolish—get in the way.
    — Preston Fore, Fortune, 20 Sep. 2026
  • Cousins made two foolish mistakes, on the interceptions by Trader and Taaffe.
    — Barry Jackson, Miami Herald, 14 Sep. 2026
Definition of foolish
Noun
  • How did the weirdo pop-art side project become the go-to vessel for the Great Indie Songwriter?
    — Jonathan Bernstein, Rolling Stone, 9 Sep. 2026
  • Since breaking out in the tween-friendly Twilight saga twenty years ago, Kristen Stewart and Robert Pattinson have each transformed themselves into Hollywood’s most arthouse-friendly weirdos.
    — Nate Jones, Vulture, 5 Sep. 2026
Definition of weirdo
Adjective
  • The fabrication of a sufficiently crazy program always takes a little time after a great crash.
    — J. B. MacKinnon, Harpers Magazine, 22 Sep. 2026
  • We’re known for being on time, knowing our stuff, not being crazy to work with.
    — Shania Russell, Entertainment Weekly, 21 Sep. 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
See all Nearby Words

Cite this Entry

“Wacko.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/wacko. Accessed 25 Sep. 2026.

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