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
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
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
Ryu Spaeth, New Republic, 28 July 2017
Real investors survey the landscape and look for signs of a market gone loco.
—Andy Kessler, WSJ, 2 July 2017
See All Example Sentences for loco
Adjective
As one of my colleagues said, this was straight loco.
—Ryu Spaeth, New Republic, 28 July 2017
Real investors survey the landscape and look for signs of a market gone loco.
—Andy Kessler, WSJ, 2 July 2017
See All Example Sentences for loco
Recent Examples of Synonyms for loco
Adjective
-
Philip Seymour Hoffman played him on Broadway as a near-psychotic, his philandering very much to blame for the fall of his elder son, Biff.—
Chris Jones,
New York Daily News,
10 Apr. 2026
-
Less commonly, some people experience psychotic symptoms, suicidal thoughts, anxiety, paranoia, confusion or emotional distress.—
Hollis Karoly,
The Conversation,
9 Apr. 2026
Verb
-
The Heat’s third matchup of the season against the Raptors didn’t go well either, as Toronto’s length on the defensive end again bothered Miami.—
Anthony Chiang,
Miami Herald,
8 Apr. 2026
-
Along the way, Melton strained his left thumb — and that clearly bothered him.—
Ron Kroichick,
San Francisco Chronicle,
8 Apr. 2026
Adjective
-
William Atherton’s Jerry Hathaway—the money-hungry mad king behind Project Crossbow—is unfortunately medium plausible.—
Brittany Allen,
Literary Hub,
10 Apr. 2026
-
Kimi and Margo go at each other at the picnic, and now Margo is mad at Mark.—
Brian Moylan,
Vulture,
10 Apr. 2026
Adjective
-
And leading the country is a megalomaniac — Anthony Starr’s always riveting Homelander — who might be going insane.—
James Hibberd,
HollywoodReporter,
7 Apr. 2026
-
By any normal corporate logic, this was an insane thing to promise.—
Ronan Farrow,
New Yorker,
6 Apr. 2026
Verb
-
The trouble was that this stance unbalanced him at home.—
Daniel Immerwahr,
New Yorker,
16 Mar. 2026
-
Imagine the wartime use of leaflets that were dropped in large quantities over battlefields, or onto townships, and contained a single message that was intended to mentally unbalance large numbers of citizens or soldiers.—
Lance Eliot,
Forbes.com,
29 Jan. 2026
Adjective
-
Bones is a pretty stellar action heroine, if only for her rah-rah speeches and her maniacal laughter in the face of men who seek to control her.—
Siddhant Adlakha,
Variety,
14 Mar. 2026
-
Even when discussing this premise, his maniacal desire to win seeps through.—
Zach Berman,
New York Times,
13 Mar. 2026
Verb
-
Only sick, demented, or deranged people in the House or Senate could vote against THE SAVE AMERICA ACT.—
Dan Gooding,
MSNBC Newsweek,
31 Mar. 2026
-
For all their faults, looksmaxxers are intent on de-fetishizing this particular commodity, revealing beauty to be the product of strenuous (and often deranging) labor.—
Becca Rothfeld,
New Yorker,
7 Mar. 2026
Adjective
-
Like, to have Hughie kick A-Train’s head off would’ve been nuts.—
Derek Lawrence,
Vulture,
10 Apr. 2026
-
And the producers are telling me that the audiences are going nuts.—
Yamillah Hurtado,
PEOPLE,
8 Apr. 2026
Cite this Entry
“Loco.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/loco. Accessed 13 Apr. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
