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
Synonyms & Similar Words
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
Synonyms & Similar Words
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
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Recent Examples of insane
After all, Taylor’s finally getting a break after her insane 21-month Eras Tour that basically took over the planet.
—
Jenzia Burgos, StyleCaster, 21 Mar. 2025
Lars von Trier’s The Kingdom is a soap opera about a hospital where the doctors aren’t good-looking or vibrating with noble sentiment but generally corrupt or insane.
—Adam Thirlwell, The New York Review of Books, 20 Mar. 2025
Recovering from fire can require an insane amount of spending, too.
—Sammy Roth, Los Angeles Times, 20 Mar. 2025
Her work ethic and development in the past year has been insane.
—Rick Armstrong, Chicago Tribune, 19 Mar. 2025
See All Example Sentences for insane
Jenzia Burgos, StyleCaster, 21 Mar. 2025
Lars von Trier’s The Kingdom is a soap opera about a hospital where the doctors aren’t good-looking or vibrating with noble sentiment but generally corrupt or insane.
—Adam Thirlwell, The New York Review of Books, 20 Mar. 2025
Recovering from fire can require an insane amount of spending, too.
—Sammy Roth, Los Angeles Times, 20 Mar. 2025
Her work ethic and development in the past year has been insane.
—Rick Armstrong, Chicago Tribune, 19 Mar. 2025
See All Example Sentences for insane
Recent Examples of Synonyms for insane
Adjective
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Later in the film, François Arnaud plays a dreamy/nightmare client, matching her gentleness with mad intensity, while giving their scenes together a charge that carries the film into its frenzied conclusion with bold poise.—
Murtada Elfadl,
Variety,
11 July 2025
-
Even if its repetitive verbiage drove parents a little mad?—
Los Angeles Times,
Los Angeles Times,
10 July 2025
Adjective
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From the vantage point of 2025, this appears as absurd as suggesting that women’s soccer matches should be 70 minutes instead of 90, the same as in the men’s game.—
Charlie Eccleshare,
New York Times,
12 July 2025
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The French super powerhouse has taken teams part since winning the UEFA Champions League crown on May 24, outscoring its foes by an absurd 21-1 margin.—
Michael Lewis,
Forbes.com,
12 July 2025
Adjective
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Instead, the series seems determined to prove that age is just a number by forcing its leads, now including Choudhury and Parker, to act as if 50 is the new (and very stupid) 30.—
Los Angeles Times,
Los Angeles Times,
4 July 2025
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Jurassic Park, based on the Michael Crichton best-seller, is an evolutionary joke: Man, the master of the universe, has become mere flesh, consumed by animals allegedly too stupid to survive.—
David Denby,
Vulture,
3 July 2025
Adjective
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The weather service predicts that parts of Maryland remain at risk for excessive rainfall and the potential for flash floods.—
Chevall Pryce,
Baltimore Sun,
14 July 2025
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Spanish Prime Minister Pedro Sanchez took to X on Saturday to say his office was closely monitoring the situation and advised use excessive caution in the affected areas.—
Opheli Garcia Lawler,
Travel + Leisure,
14 July 2025
Adjective
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Aquarius: Doctor Octopus, aka Doc Ock Doctor Octopus, a multi-armed maniacal menace who's regarded as one of Spider-Man's most infamous enemies, aligns with Aquarius.—
Skyler Caruso,
People.com,
30 June 2025
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College campuses, after all, cannot and should not be anarchic free speech zones where any maniacal provocateur like Milo Yiannopoulos can come and deliver an outrageous address designed to do nothing other than generate controversy without any pushback.—
David Faris,
MSNBC Newsweek,
22 May 2025
Adjective
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This bizarre tale about being picked up by bounty hunters, taken to an unmarked warehouse without access to food, water or an attorney were clearly fabricated.—
Louis Casiano,
FOXNews.com,
1 July 2025
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Alicia Hannah-Kim is breaking her silence after a bizarre incident with Cobra Kai costar Martin Kove earlier this month resulted in him being removed from a fan event for biting her.—
Mekishana Pierre,
EW.com,
30 June 2025
Adjective
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Tauruses will go crazy for something chic, functional, and soft to the touch.—
Meghan Rose,
Glamour,
9 Feb. 2023
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Before getting into the chaos of episode 5, that episode 4 cliff hanger was crazy.—
Calie Schepp,
EW.com,
6 Feb. 2023
Adjective
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While the booster performed impressively under extreme conditions, an unexpected anomaly caught engineers' attention: around 15 seconds before shutdown, the nozzle appeared to detach and release debris, accompanied by a bright plume flare.—
Kenna Hughes-Castleberry,
Space.com,
11 July 2025
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While many farmers lean on a relentless optimism to get through the uncertainty of relying on the weather for a living, extreme weather disasters like catastrophic floods, droughts and wildfires can take a toll.—
CBS News,
CBS News,
11 July 2025
Cite this Entry
“Insane.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insane. Accessed 18 Jul. 2025.
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