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
Relevance
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
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 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
-
Getting mad about missing out on signing Anfernee Simons won’t change that.
-
When World Cup season descends upon soccer-mad Brazil, green and yellow banners decorate restaurants, bars and apartment buildings, streets are painted with flags and soccer balls, and discussions of the beloved national team's games are ubiquitous.
Adjective
-
The 41-year-old is still an elite NBA player, which is still an absurd reality to consider.
-
The thesis rests on a claim that would have sounded absurd a year ago.
Adjective
-
And no, that was NOT OutKick or FOX who wrote that stupid headline.
-
The thing about House of the Dragon is that everything really is quite stupid.
Adjective
-
Although not always the case, excessive heat warnings usually coincide with heat waves.
-
This does not diminish concerns about excessive screen time or the value of reducing distractions during the school day.
Adjective
-
Erling Haaland, Norway’s large, maniacal striker, has several exceedingly Norwegian traits.
-
The president as a maniacal urban planner is a white-knuckle ride, with Washington — and Washingtonians — just holding on for dear life.
Adjective
-
When this place is eventually gone — a phrase that feels truly bizarre given the environment this summer and the half-century preceding it — the lasting images will be the seas of red.
-
Continue reading … 'DEEPLY WEIRD' — CNN panel's bizarre 'read as Jewish' comment about a senator draws fierce blowback.
Adjective
-
David and Erica Harrig, Gretna, Nebraska The Harrigs went a little crazy after winning a $61 million Powerball jackpot in 2013.
-
Even the vegetable averse will go crazy for these green beans made with bacon, crispy Parm, and plenty of garlic.
Adjective
-
The National Weather Service said cool air from the north will push the heat dome, responsible for a heat wave that started midweek, south and west in the coming days, relieving some of the most extreme temperatures in the Northeast.
-
The laminate reinforces the glass to create a shatter-resistant barrier, preventing shards of glass from flying out during extreme weather.
Cite this Entry
“Insane.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insane. Accessed 6 Jul. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
