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.
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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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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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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
Your ability to come up with stuff on the fly is insane.
—
Patrick Ryan, USA Today, 4 Nov. 2025
This practice, an effort to reduce uncontrolled variables, drives many primates insane.
—Ava Kofman, New Yorker, 3 Nov. 2025
That's insane, and that's just for the country of Haiti.
—Zoey Lyttle, PEOPLE, 3 Nov. 2025
But the Los Angeles Dodgers had enough money to take that kind of risk, making the bet that such an insane amount of money will eventually be worth it.
—Kyle Feldscher, CNN Money, 2 Nov. 2025
See All Example Sentences for insane
Patrick Ryan, USA Today, 4 Nov. 2025
This practice, an effort to reduce uncontrolled variables, drives many primates insane.
—Ava Kofman, New Yorker, 3 Nov. 2025
That's insane, and that's just for the country of Haiti.
—Zoey Lyttle, PEOPLE, 3 Nov. 2025
But the Los Angeles Dodgers had enough money to take that kind of risk, making the bet that such an insane amount of money will eventually be worth it.
—Kyle Feldscher, CNN Money, 2 Nov. 2025
See All Example Sentences for insane
Recent Examples of Synonyms for insane
Adjective
-
And everyone is mad at Andrew—though this one feels like a rumor and more reality.—
Lizzie Lanuza,
StyleCaster,
7 Jan. 2026
-
He’s been thrown straight into a mad month, in which Chelsea have Premier League, FA Cup, Carabao Cup and Champions League fixtures.—
Phil Hay,
New York Times,
7 Jan. 2026
Adjective
-
The combination of absurd temperatures, damp humidity, and having my hair stick to my neck daily was driving me insane.—
Kayla Greaves,
Essence,
6 Nov. 2025
-
Plus, who doesn’t love Nick Offerman sharing the screen with absurd facial hair?—
Daniel Fienberg,
HollywoodReporter,
6 Nov. 2025
Adjective
-
What gave me the crazy idea to stand at the bar, listening to that woman being praised for her stupid f---ing commitment to New York City and her ugly f---ing buildings?—
Charlotte Phillipp,
PEOPLE,
7 Nov. 2025
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Her mechanism for luring victims involves a stick, someone’s hair, her blood, and another person stupid enough to let her through their front door.—
Ryan Lattanzio,
IndieWire,
6 Nov. 2025
Adjective
-
There was excessive growth of microtubules that wasn’t caused by an increase in gene activity, but likely due to the cells failing to clear away old or misfolded proteins.—
New Atlas,
New Atlas,
8 Nov. 2025
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But Walpole’s excitement was curbed when they were flagged for excessive celebration.—
Justin Barrasso,
Boston Herald,
8 Nov. 2025
Adjective
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What's even more disturbing is that the maniacal killer's mask is made of human skin, giving him the nickname Leatherface among horror fans.—
Keith Langston,
PEOPLE,
25 Oct. 2025
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Huet succeeds in humanizing Daedone, who had an abusive father and a punishing childhood, and whose motivations come to seem understandable, if maniacal.—
Dan Piepenbring,
Harpers Magazine,
24 Oct. 2025
Adjective
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Even its star, Kim Kardashian, is leaning into the bizarre criticism, posting photos on Instagram of herself laughing along with the rest of the cast, interspersed with scathing reviews.—
Rebecca Aizin,
PEOPLE,
7 Nov. 2025
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And calls like Payton’s bizarre third-and-1 trick play involving Courtland Sutton — a double pass that never came to be — aren’t helping.—
Troy Renck,
Denver Post,
7 Nov. 2025
Adjective
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Peterson’s 30-plus point scoring output (on 8-of-18 shooting, 3-of-8 from 3, 13-15 from line) helped make possible a crazy comeback victory.—
Gary Bedore,
Kansas City Star,
7 Jan. 2026
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Or at least the craziest until Malinin began doing on ice back flips during the 2024-25 season after the International Skating Union, the sport’s global governing body, lifted a ban on the stunt.—
Scott M. Reid,
Oc Register,
6 Jan. 2026
Adjective
-
An extreme cold watch is issued when dangerously cold air temperatures or wind chill values are possible.—
CA Weather Bot,
Sacbee.com,
9 Jan. 2026
-
Here, sea level rise is accelerating at some of the most extreme rates on Earth, while hurricanes increasingly are swirling ashore with an unprecedented ferociousness.—
Amy Green,
Miami Herald,
9 Jan. 2026
Cite this Entry
“Insane.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insane. Accessed 10 Jan. 2026.
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