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
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Recent Examples of insane
The initial series was an insane smash hit for HBO, two spinoff series have taken off, and multiple others are in development.
—
Jason P. Frank,
Vulture,
26 June 2026
The World Cup has exceeded all high expectations that come with its insane price points on everything from the price of tickets to keychains.
—
Fort Worth Star-Telegram,
26 June 2026
The feminine style looks like a ballet flat but is just as comfortable as a sneaker—hence its insane appeal.
—
Kaitlin Clapinski,
InStyle,
26 June 2026
But if the improbable happens and results twist favourably for them, the affectionately-insane Tartan Army can expect to be in Mexico City to meet co-hosts Mexico next Tuesday.
—
Phil Hay,
New York Times,
26 June 2026
See All Example Sentences for insane
Jason P. Frank,
Vulture,
26 June 2026
The World Cup has exceeded all high expectations that come with its insane price points on everything from the price of tickets to keychains.
—
Fort Worth Star-Telegram,
26 June 2026
The feminine style looks like a ballet flat but is just as comfortable as a sneaker—hence its insane appeal.
—
Kaitlin Clapinski,
InStyle,
26 June 2026
But if the improbable happens and results twist favourably for them, the affectionately-insane Tartan Army can expect to be in Mexico City to meet co-hosts Mexico next Tuesday.
—
Phil Hay,
New York Times,
26 June 2026
See All Example Sentences for insane
Recent Examples of Synonyms for insane
Adjective
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Or that Penélope Cruz’s sultry chilliness would jibe with either her male counterparts or Wilde’s diary-of-a-mad-housewife interpretation of a brittle, eager-to-impress woman brimming with creative frustration.
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Are Nationals fans still mad at Bryce Harper for leaving?
Adjective
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The 41-year-old is still an elite NBA player, which is still an absurd reality to consider.
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The thesis rests on a claim that would have sounded absurd a year ago.
Adjective
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But even the most perfect Constitution can be undone by the wicked with the help of the bought, the stupid, and the cowardly.
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White can believe Hokit said something stupid and still believe fighters should be allowed to speak for themselves.
Adjective
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Although not always the case, excessive heat warnings usually coincide with heat waves.
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This does not diminish concerns about excessive screen time or the value of reducing distractions during the school day.
Adjective
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The president as a maniacal urban planner is a white-knuckle ride, with Washington — and Washingtonians — just holding on for dear life.
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One of Anthropic’s great strengths compared to its archrival OpenAI is its maniacal focus.
Adjective
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When Aaron Paul’s Jeff attempts to make a suspicious deposit, the bank teller (a game Nina Dobrev) demands to be in on the deal, in the sort of neo-noir twist that could suggest a rich film world populated with bizarre freaks of all stripes.
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In the canon of DC Comics, Comet is truly a bizarre character.
Adjective
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David and Erica Harrig, Gretna, Nebraska The Harrigs went a little crazy after winning a $61 million Powerball jackpot in 2013.
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Even the vegetable averse will go crazy for these green beans made with bacon, crispy Parm, and plenty of garlic.
Adjective
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The extreme conditions are driven by a heat dome, a high pressure weather system that can trap heat for days, even weeks.
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That day in Redding, temperatures surged to 109 degrees, triggering an extreme heat warning for the area.
Cite this Entry
“Insane.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insane. Accessed 4 Jul. 2026.
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