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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
  • Parents who decline to vaccinate their children have been called selfish and stupid.
    — Nicholas Florko, STAT, 29 Sep. 2026
  • No one is evil, but people do stupid things, which accords with my own memories of college.
    — Robert Lloyd, Los Angeles Times, 24 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
  • Much of the advice for making friends can feel silly or trite, but focusing on three areas may make a significant impact on your social situation.
    — Madeline Holcombe, CNN Money, 29 Sep. 2026
  • Then again, the silliest thing our species could do is resign ourselves to disaster.
    — Amy Nicholson, Los Angeles Times, 29 Sep. 2026
Definition of silly
Noun
  • The conversation and the word itself, which gives the seventh and final episode its title, unlocks the Biblical underpinnings and the complexities governing many of the main characters.
    — Daniel Fienberg, HollywoodReporter, 1 Oct. 2026
  • Still, the endeavor feels worth it for Pugh and Lee’s standout efforts, which etch their characters deep into one’s memory.
    — Alison Herman, Variety, 1 Oct. 2026
Definition of character
Adjective
  • With Oracle having lost more than $20 billion in stock-market value today, this appears to be penny-wise and pound foolish.
    — Liz Hoffman, semafor.com, 24 Sep. 2026
  • While the era’s bust eventually brought most of those ventures to an end, Brown said the experience taught him not to let the fear of failure—or looking foolish—get in the way.
    — Preston Fore, Fortune, 20 Sep. 2026
Definition of foolish
Noun
  • Okay what about people’s resistance to believing these guys are stone-cold weirdos?
    — Literary Hub, Literary Hub, 30 Sep. 2026
  • Your reputation for being an unpredictable and do-it-all weirdo precedes you.
    — Devon Ivie, Vulture, 25 Sep. 2026
Definition of weirdo
Adjective
  • Patriots pull off a crazy play Facing a first-and-30 play after back-to-back penalties, the Patriots dialed up some trickiness in Jacksonville territory.
    — Mark Long, The Orlando Sentinel, 27 Sep. 2026
  • Sarkisian called it crazy in a game Texas also gave up a 57-yard punt return by Qua Moss for a TD.
    — ABC News, ABC News, 26 Sep. 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
See all Nearby Words

Cite this Entry

“Wacko.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/wacko. Accessed 1 Oct. 2026.

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