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

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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
  • It may also be used to treat certain other psychotic conditions, such as psychosis arising in Parkinson disease.
    — Encyclopedia Britannica, Encyclopedia Britannica, 7 Oct. 2026
  • At trial, a neurological expert testified that Linton had a seizure in the lead up to the collision, and a psychiatrist said Linton displayed psychotic symptoms weeks after the crash that were consistent with the aftermath of a seizure.
    — James Queally, Los Angeles Times, 1 Oct. 2026
Definition of psychotic
Verb
  • Palo Alto Networks did that after buying [Israeli startup] CyberArk, but why would most companies bother?
    — Liz Hoffman, semafor.com, 12 Oct. 2026
  • That woman was truly unbothered, a term tossed around online, but the literal act of not being bothered is impossible for most people beyond the quirkiest, like my onetime neighbor, or maybe Fran Lebowitz.
    — Marisa Meltzer, Vanity Fair, 12 Oct. 2026
Definition of bother
Adjective
  • The ball popped out of his glove and fell in front of him, creating a bit of a mad scramble for Ramírez.
    — Andy Martinez, Chicago Tribune, 8 Oct. 2026
  • Some reports have suggested that Harry knew the contents of the memoir before it was published, which reportedly adds to William’s reasons to be mad at his brother.
    — StyleCaster Editors, StyleCaster, 7 Oct. 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
  • Derek wants to hear Julia audibly breathing next week, which is both a hilarious and insane request.
    — Maggie Fremont, Vulture, 7 Oct. 2026
  • Those questions triggered some insane accusations from Aces fans regarding the Fever fan and their fanbase.
    — Jon Root OutKick, FOXNews.com, 2 Oct. 2026
Definition of insane
Verb
  • From SheetsGate to purposefully washing Joy’s uniforms with rags, the laundry room has unleashed something deranged in Gen.
    — Rafaela Bassili, Vulture, 22 Sep. 2026
  • 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
Definition of derange
Adjective
  • Rihanna’s here, maniacal crowds are lining up outside shows to screech and wave at their favorite stars and days of runway events big and small lie ahead.
    — Leah Dolan, CNN Money, 30 Sep. 2026
  • These machines—the maniacal Maverick R, with its praying mantis-like front suspension, and the hard-working Pioneer—have little else in common.
    — Caleb Jacobs, The Drive, 2 Sep. 2026
Definition of maniacal
Verb
  • But it was not only crazed Styles fans being drawn to MSG this week.
    — Christian Allaire, Vogue, 9 Oct. 2026
  • But these expensive treat crazes typically spark outrage and skepticism.
    — Owen Carry, USA Today, 22 Sep. 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 14 Oct. 2026.

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