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.

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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
  • Video games are one of the world’s most dominant storytelling mediums, yet the writing is often dismissed — not always unfairly — as melodramatic, overly serious and occasionally very stupid.
    — Gene Park, Washington Post, 3 Sep. 2026
  • Bonnell The enthusiast’s approach Bonnell’s team uses matters because electric motorcycles have an annoying tendency to make power delivery either spectacularly good or spectacularly stupid.
    — New Atlas, New Atlas, 2 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
  • Playing the part largely for laughs, Moore actually has more in common with Lazenby than Connery; his Bond is softer and sillier than the original, an approach Moore would double down on in later films — often to the chagrin of Bond purists.
    — Jim Hemphill, IndieWire, 3 Sep. 2026
  • For Lance Oppenheim, Primetime’s DNA resides inside a silly Cameo video.
    — David Canfield, HollywoodReporter, 3 Sep. 2026
Definition of silly
Noun
  • Behold the plight of the Ryan Murphy character, cursed to behave nonsensically and flit wildly from plotline to plotline based on the writer’s whims.
    — Louis Peitzman, Vulture, 3 Sep. 2026
  • At the center, a Geometric CNC Fuller visually reduces the mass of the blade while reinforcing Razorbill's distinctive multi-faceted character.
    — New Atlas, New Atlas, 3 Sep. 2026
Definition of character
Adjective
  • That game is too important, and holding someone back for a hypothetical Game 3 might be foolish regardless.
    — Matt Gelb, New York Times, 8 Sep. 2026
  • But Americans would be foolish to think that Washington is anywhere near solving this problem.
    — Doug Beck, Foreign Affairs, 18 Aug. 2026
Definition of foolish
Noun
  • Fewer teams, no travel ball weirdos, and kids that want to actually be there to learn and get better without losing a spot to some kid who’s parents sign them up to play the bare minimum to qualify for the LL tournaments.
    — Joe Kinsey OutKick, FOXNews.com, 13 Aug. 2026
  • Wrestling can attract lonely 20-somethings, misunderstood outsiders, and creative weirdos.
    — Literary Hub, Literary Hub, 7 Aug. 2026
Definition of weirdo
Adjective
  • Our readers have been shopping deals on everything from a $160-off Dyson Airwrap and a Costco membership freebie to Patagonia gear, Bath & Body Works candles and a surprisingly affordable Dooney & Bourke bag (seriously, under $100 is crazy).
    — Kasey Caminiti, USA Today, 7 Sep. 2026
  • While fans were going crazy, storming the field and soaking up the moment, the team couldn’t wait to leave that game behind.
    — Austin Meek, New York Times, 6 Sep. 2026
Definition of crazy
Noun
  • 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
  • Artists have always used music to question authority and expose the cracks (and the crackpots) in the American story.
    — Time, Time, 6 May 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 10 Sep. 2026.

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