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
  • Parametric modeling, especially when weighted down with decades of AutoCAD’s stupid UI/UX choices, was even harder than programming.
    — Lee Hutchinson, ArsTechnica, 23 July 2026
  • The simplest explanation is that Vance believes his voters are stupid.
    — David A. Graham, The Atlantic, 21 July 2026
Definition of stupid
Noun
  • 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
  • The eccentric cuz is quick to try and help Bobby solve problems, which often gets him into trouble, but ultimately pushes him out of his shell.
    — Skyler Trepel, Entertainment Weekly, 20 June 2026
Definition of eccentric
Adjective
  • This year’s list includes what may be America’s last remaining players with free 2020 eligibility (silly us, thinking that ended last year) — and even a few who began their careers in the 2010s.
    — Stewart Mandel, New York Times, 24 July 2026
  • Depp engaged the crowd with silly skits for nearly half a hour.
    — Angelique Jackson, Variety, 23 July 2026
Definition of silly
Noun
  • Each chamber in the intimate inn has its own character, and pairs thoughtful amenities with tech-forward convenience.
    — Condé Nast, Condé Nast Traveler, 23 July 2026
  • Mineral-rich soils can add structure and mouthfeel, while climate affects sweetness, body, floral character and astringency.
    — Jill Barth, Forbes.com, 22 July 2026
Definition of character
Adjective
  • Doing it for a guy who was closer to average last year and got outplayed by his backup is probably downright foolish.
    — Dom Luszczyszyn, New York Times, 22 July 2026
  • Johnson continued this week to push for his foolish and counterproductive desire to impose a $33-per-month tax on each Chicago job generated by the city’s largest private-sector employers.
    — The Editorial Board, Chicago Tribune, 10 July 2026
Definition of foolish
Noun
  • All the weirdo arcane seemingly head-scratching things are just this the honest documentary of us as kids in the late ’90s in Tempe, Arizona, and the surrounding area.
    — Brian Hiatt, Rolling Stone, 24 July 2026
  • The Kmatz-Shaffer combo appeals to me the most, however, as someone who prefers his bullpen stocked with weirdos and freaky arm angles.
    — Grant Brisbee, New York Times, 21 July 2026
Definition of weirdo
Adjective
  • Like the shows, there are some crazy big action sequences in this.
    — Joe Otterson, Variety, 25 July 2026
  • To embody Fred Astaire is to have a certain boyishness, sure, but that crazy dancer was a man, through and through.
    — Fran Hoepfner, Vulture, 24 July 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 29 Jul. 2026.

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