loco 1 of 2

adjective

Definition of loconext
slang
as in psychotic
unable to think in a clear or sensible way that dog's straight loco, just running around in circles all day long

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Antonyms & Near Antonyms

loco

2 of 2

verb

as in to bother
to cause to go insane or as if insane years of living alone had clearly locoed the old rancher

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 loco
Adjective
Real investors survey the landscape and look for signs of a market gone loco. — Andy Kessler, WSJ, 2 July 2017
Recent Examples of Synonyms for loco
  1. psychotic
  2. bother
  3. mad
  4. unbalance
  5. insane
  6. derange
  7. maniacal
  8. craze
Adjective
  • Psychiatric disorders are generally divided into mood disorders and psychotic disorders, Osborne said; postpartum psychosis is a mood disorder, in which mood symptoms accompany psychotic symptoms.
    — Jen Christensen, CNN Money, 13 Aug. 2026
  • But to make some generalization that all career women are psychotic because Glenn Close happened to be psychotic at the end of that movie is just silly.
    — Mark Olsen, Los Angeles Times, 12 Aug. 2026
Definition of psychotic
Verb
  • Contreras rarely takes days off but asked for a day off Sunday with his leg bothering him.
    — Jen McCaffrey, New York Times, 18 Aug. 2026
  • Chapman won’t play another game for the Giants this year after undergoing core muscle surgery earlier this week, but the 33-year-old has finally addressed an ailment that’s bothered him for effectively the whole season.
    — Justice delos Santos, Mercury News, 15 Aug. 2026
Definition of bother
Adjective
  • Riley has a talented veteran QB (Jayden Maiava), a strong O-line and now mad scientist Gary Patterson as defensive coordinator.
    — Stewart Mandel, New York Times, 20 Aug. 2026
  • It was worshipped as a goddess, believed to drive people mad, and even considered a realm for the dead.
    — Encyclopedia Britannica, Encyclopedia Britannica, 18 Aug. 2026
Definition of mad
Verb
  • Denying the Wave a crucial 1-0 lead, no teammate could convert on a bright drive and dish by speedster Ludmila that unbalanced Seattle’s defense.
    — Tom Krasovic, San Diego Union-Tribune, 27 July 2026
  • The risk is that only a handful of clubs will be able to cough up those sums, unbalancing the market.
    — Charlotte Harpur, New York Times, 19 May 2026
Definition of unbalance
Adjective
  • If that insane offer doesn’t plug the leak, the fire sale begins.
    — Dieter Kurtenbach, Mercury News, 19 Aug. 2026
  • That’s a big memory for me as a kid, so having that happen is insane.
    — Los Angeles Times, Los Angeles Times, 19 Aug. 2026
Definition of insane
Verb
  • Featuring an ensemble populated by killer character actors like Jacki Weaver, Luis Guzmán, Kurtwood Smith, Timothy Spall, and Michael Chernus, Perpetual Grace, LTD is an off-kilter neo-noir that mines deranged humor from its eccentric characters.
    — Britt Hayes, Entertainment Weekly, 7 Aug. 2026
  • Instagram demanded a certain sort of woman and then produced her, deranging broad swaths of the population in the process.
    — Jia Tolentino, New Yorker, 11 July 2026
Definition of derange
Adjective
  • Especially after a clunker of a season in 2025, superstar receiver Justin Jefferson won’t settle for anything other than maniacal attention to detail on and off the field.
    — Alec Lewis, New York Times, 28 July 2026
  • The odd thing about this choice is that, although the DSA’s platform is indeed chock-full of maniacal proposals, on this particular idea, the maniacs have a point.
    — Jonathan Chait, The Atlantic, 22 July 2026
Definition of maniacal
Verb
  • The pastry problem is one of several recent examples of social media crazes.
    — Barbie Latza Nadeau, CNN Money, 19 Aug. 2026
  • The summertime trail is swarmed by black flies, tiny but blood-crazed.
    — Literary Hub, Literary Hub, 18 Aug. 2026
Definition of craze

Browse Nearby Words

lockups
loco
locoed
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Cite this Entry

“Loco.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/loco. Accessed 23 Aug. 2026.

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