1
as in mad
unable to think in a clear or sensible way
After learning of the robbery, they were insane with anger and foolishly searched the neighborhood looking for their belongings.
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in absurd
conceived or made without regard for reason or reality
a completely insane plan to build an opera house in the middle of nowhere
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Antonyms & Near Antonyms
3
as in stupid
showing or marked by a lack of good sense or judgment
an insane plan to blow all of their savings on lottery tickets
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Antonyms & Near Antonyms
4
as in excessive
going beyond a normal or acceptable limit in degree or amount
wanted an insane amount of money to paint our house
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Example Sentences
Examples are automatically compiled from online sources to
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Recent Examples of insane
Our healthcare system is absolutely insane.
—
Yvonne Villarreal, Los Angeles Times, 17 Apr. 2026
In an insane society, this is a project of years, not weeks.
—Literary Hub, 15 Apr. 2026
Jurors hearing the case in a Santa Ana courtroom are now left to decide whether Fahim was insane at the time of the killings.
—Sean Emery, Oc Register, 14 Apr. 2026
Families in times of insane crisis — that can be the funniest times.
—Kennedy French, Variety, 11 Apr. 2026
See All Example Sentences for insane
Yvonne Villarreal, Los Angeles Times, 17 Apr. 2026
In an insane society, this is a project of years, not weeks.
—Literary Hub, 15 Apr. 2026
Jurors hearing the case in a Santa Ana courtroom are now left to decide whether Fahim was insane at the time of the killings.
—Sean Emery, Oc Register, 14 Apr. 2026
Families in times of insane crisis — that can be the funniest times.
—Kennedy French, Variety, 11 Apr. 2026
See All Example Sentences for insane
Recent Examples of Synonyms for insane
Adjective
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In the annals of English football, this shoots close to the top of the list of ridiculous moments, along with Troy Deeney’s mad goal for Watford in the Championship play-offs in 2013 and Sergio Aguero’s Premier League title-winning strike for Manchester City in 2012.—
Phil Hay,
New York Times,
27 Apr. 2026
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Here's our list of the five best space prison movies (in no particular order, don't get mad at the numbers).—
Sergio Pereira,
Space.com,
25 Apr. 2026
Adjective
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As usual, human progress gets the sublimely absurd Herzogian treatment, with modern and primordial sights and sounds becoming whole.—
Eric Kohn,
IndieWire,
24 Apr. 2026
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But the idea of using one for multiple hours every day, or of trying to socialize in real life while the people around me try to meet my digital avatar’s dead eyes, is absurd.—
ArsTechnica,
ArsTechnica,
24 Apr. 2026
Adjective
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Nothing gets Trump angrier than when one of his underlings is caught doing something stupid on videotape.—
Robert B. Reich,
Hartford Courant,
28 Apr. 2026
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But to those going to an upcoming show, for the love of God please shut up when Raye is sharing this story; a quiet room isn’t a license to yell stupid nonsense.—
Melissa Ruggieri,
USA Today,
27 Apr. 2026
Adjective
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Gubin said those weren’t excessive returns.—
Jordan Rau,
Miami Herald,
23 Apr. 2026
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May cause excessive bleeding (hemorrhage) if taken with blood thinners or supplements including ginkgo biloba or garlic.—
Megan Nunn,
Verywell Health,
23 Apr. 2026
Adjective
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There’s one sound on earth that will never get old, and that’s Johnny Knoxville’s maniacal cackle when someone has been injured.—
Fran Hoepfner,
Vulture,
27 Apr. 2026
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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
Adjective
-
Upset over a bizarre technical foul in Game 2, Booker unloaded on the refs, particularly James Williams.—
Doug Haller,
New York Times,
26 Apr. 2026
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The New York Giants had a completely bizarre draft on Thursday – one that even left star wide receiver Malik Nabers visibly frustrated during his own simulcast with Green Bay Packers linebacker Micah Parsons.—
Ryan Gaydos OutKick,
FOXNews.com,
24 Apr. 2026
Adjective
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What are the Flyers without the crazy-eyed mascot that is always getting up to some shenanigans — like tossing a plush version of his opponents' mascot down the stadium stairs mid-game.—
Kaitlyn McCormick,
USA Today,
27 Apr. 2026
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The unhinged left is still in its bubble and as crazy as ever while there are Maher types who now see how this ultimately will turn out at the polls.—
Joe Kinsey OutKick,
FOXNews.com,
27 Apr. 2026
Adjective
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Typical pulsating aurora displays last 10 to 20 minutes, but Kerss had captured almost three hours of extreme pulsating auroras — an unusually powerful display and one of the longest on record, according to the statement.—
Daisy Dobrijevic,
Space.com,
28 Apr. 2026
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Threats are growing from more extreme weather.—
Michael Copley,
NPR,
28 Apr. 2026
Cite this Entry
“Insane.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insane. Accessed 30 Apr. 2026.
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