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
  • Far too much coverage of declining trust in science — particularly the anti-vaccine movement — is predicated on the assumption that its adherents are either stupid or crazy.
    — Rick Berke, STAT, 19 Aug. 2026
  • The Dodge Durango Hellcat is the most accessible way to go stupid-fast in a three-row family car thanks to the Escalade V‘s high price tag.
    — Byron Hurd, The Drive, 13 Aug. 2026
Definition of stupid
Noun
  • No documentarian has a better eye for intriguing oddballs than Errol Morris, who built his feature film career on drawing them out in conversation, from pet-cemetery owners in Gates of Heaven to small-town eccentrics in Vernon, Florida.
    — Judy Berman, Time, 11 Aug. 2026
  • With its loose ends and digressions, Dream Me a Dream stays true to those idiosyncratic instincts while retaining enough of the welcoming glow of Dance of Love to make this an affecting farewell from an endearing eccentric.
    — Stephen Thomas Erlewine, Pitchfork, 22 June 2026
Definition of eccentric
Adjective
  • The Astros’ rotation is in such a state that ruling anyone out as a candidate to start games seems silly, but their actions indicate Imai is something of a last resort.
    — Chandler Rome, New York Times, 19 Aug. 2026
  • So, even though Jay spent the song drawing a line between his own sophistication and the rest of the rap world’s childish behavior, 13 years later, kids are turning his luxury flex into a silly dance.
    — Jeff Ihaza, Rolling Stone, 19 Aug. 2026
Definition of silly
Noun
  • And magically, the architects and designers have achieved this without compromising its unique character.
    — Condé Nast, Condé Nast Traveler, 20 Aug. 2026
  • Captivated by the unknown, meeting characters as elusive as those in a Homer epic, Niaz sets in motion an irreversible process of self-transformation.
    — Lily Ford, HollywoodReporter, 19 Aug. 2026
Definition of character
Adjective
  • That’s economically foolish and potentially devastating for patients.
    — Steve Forbes, Forbes.com, 17 Aug. 2026
  • As some of us will inevitably succumb to its grand and growing illusion, the rest may get the opportunity to find the key to understanding how so many others could be fooled and so foolish.
    — Letters to the Editor, The Orlando Sentinel, 9 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
  • But the mysterious diamond’s true journey is crazier than any tale.
    — Hadley Hall Meares, Vanity Fair, 17 Aug. 2026
  • Go glass-crazy at the Lincoln City Glass Center, Mor Art, or Volta, and learn about local history at the North Lincoln County Historical Museum.
    — Zoe Baillargeon, Travel + Leisure, 16 Aug. 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 22 Aug. 2026.

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