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
  • 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
  • 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
Definition of eccentric
Adjective
  • Of course, challenges immediately present themselves, the silliest of which belongs to Samir and Paul Baker.
    — Ben Rosenstock, Vulture, 28 Aug. 2026
  • In practice, a black-and-white hunk of metal sprinting into a wall looks silly.
    — Mary Randolph, Scientific American, 25 Aug. 2026
Definition of silly
Noun
  • The Oscar-winning actress has written a new musical stage adaptation around the character, set to open on London’s prestigious theater scene in the summer of 2027.
    — Lily Ford, HollywoodReporter, 27 Aug. 2026
  • The entire ensemble of cast led by Manoj, Divya, and Boman bring an incredible depth to their characters.
    — Naman Ramachandran, Variety, 27 Aug. 2026
Definition of character
Adjective
  • But Americans would be foolish to think that Washington is anywhere near solving this problem.
    — Doug Beck, Foreign Affairs, 18 Aug. 2026
  • That’s economically foolish and potentially devastating for patients.
    — Steve Forbes, Forbes.com, 17 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
  • Meeting them in real life was a crazy experience and being able to record with them was super fun.
    — Nicole Fell, HollywoodReporter, 24 Aug. 2026
  • This crazy collision of pain, gratitude and faith now serves as the backbone of Leake’s new album Intimacy, which doesn’t shy away from the struggles his family endured.
    — Tricia Despres, PEOPLE, 21 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 28 Aug. 2026.

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