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
  • That new development was in conjunction with head coach and top coordinator salaries that went from stupid to offensive.
    — Fort Worth Star-Telegram, Fort Worth Star-Telegram, 10 Nov. 2026
  • In the end, that was stupid, because these things were actually trapped.
    — Nilay Patel, The Verge, 7 Nov. 2026
Definition of stupid
Noun
  • The immature eccentric initially has no plans to head back to the States, until Christy convinces him to stand tall and fight.
    — Derek Lawrence, Entertainment Weekly, 30 Oct. 2026
  • 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
Definition of eccentric
Adjective
  • Malkmus teases guitarist Greg Ginn for liking the Grateful Dead now and notes how sweet drummer Bill Stevenson seems for answering a reporter’s silly question so thoughtfully.
    — Grayson Haver Currin, Pitchfork, 10 Nov. 2026
  • Still, beyond those sillier antics, Fantano’s content come with breathless vigor and detailed context and research.
    — Ethan Millman, HollywoodReporter, 10 Nov. 2026
Definition of silly
Noun
  • The annual award recognizes the top high school football player in Miami-Dade, Broward and Monroe counties, honoring not only athletic excellence but also leadership, character, academics and sportsmanship.
    — CBS News, CBS News, 11 Nov. 2026
  • Another urged commissioners to preserve the area’s character while allowing for development.
    — Eric Weiss, Sun Sentinel, 11 Nov. 2026
Definition of character
Adjective
  • Serene predictions are a mug’s game, foolish in the extreme, whether they are based on polls or magical thinking.
    — David Remnick, New Yorker, 30 Oct. 2026
  • The Kilplased, the foolish yet industrious folk, are making a film about themselves!
    — Georg Szalai, HollywoodReporter, 28 Oct. 2026
Definition of foolish
Noun
  • Calvin Marcus, the fanatically talented and free-wheeling Los Angeles painter, has new and recent paintings, drawings, and ceramics installed alongside work by the great Belgian weirdo James Ensor.
    — Nate Freeman, Vanity Fair, 6 Nov. 2026
  • 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
Definition of weirdo
Adjective
  • Moore had fun with the costumes, figuring out the crazy wigs, makeup, and outfits in the second half.
    — Anne Thompson, IndieWire, 9 Nov. 2026
  • So part of the key is hearing all kinds of music and imagining it with your crazy guitars.
    — Brian Hiatt, Rolling Stone, 8 Nov. 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 12 Nov. 2026.

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