insane

adjective
in·​sane | \ (ˌ)in-ˈsān How to pronounce insane (audio) \

Definition of insane

1a(1) : exhibiting a severely disordered state of mind
(2) law : affected with insanity (see insanity sense 2) criminally insane
b : unable to think in a clear or sensible way : crazy insane with jealousy not used technically
2 : used by, typical of, or intended for people having a severely disordered state of mind an insane asylum
3 : absurd an insane scheme for making money
4 informal : outrageously high or extreme making insane amounts of money The monster truck pursued him at insane speeds … More than 22,000 athletes descend on Philadelphia's Franklin Field to chug insane amounts of Gatorade …— Chris Ballard also : exceptionally good or impressive Minnesota … has blazed out to an insane start, taking an early lead in the Northwest Division. — Tom Wheatley With his rough-edged baritone and ear for insane hooks, [reggae singer] Baby Cham always sounds wicked. — Rob Kenner

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Other Words from insane

insaneness \ (ˌ)in-​ˈsān-​nəs How to pronounce insane (audio) \ noun

Synonyms & Antonyms for insane

Synonyms

Antonyms

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Examples of insane in a Sentence

The murderer was found to be criminally insane. She was insane with jealousy. He had an insane look in his eyes. She likes to drive at insane speeds. He had this insane idea that he could get rich by selling old computers.
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Recent Examples on the Web His range is insane and that high note at the end really seals the deal. Maggie Fremont, EW.com, "American Idol recap: Hopefuls take on the 'Genre Challenge' as Hollywood Week begins," 22 Mar. 2021 Not only were the fighters making money that seemed insane at the time, but the fight itself was expected to bring in anywhere from $20 million to $30 million once all the proceeds were tallied. The Salt Lake Tribune, "Ali, Frazier and the Fight of the Century 50 years later," 8 Mar. 2021 Not only were the fighters making money that seemed insane at the time, but the fight itself was expected to bring in anywhere from $20 million to $30 million once all the proceeds were tallied. orlandosentinel.com, "Ali, Frazier and the Fight of the Century 50 years later," 8 Mar. 2021 Both approaches would be insane and represent a step backwards from equal treatment under the law. The Editors, National Review, "A Poisonous Police-Reform Bill," 5 Mar. 2021 The number of companies and individuals affected is insane. Michael James Rocha, San Diego Union-Tribune, "San Diego Event Coalition launches campaign to highlight plight of live-events workers," 5 Mar. 2021 Making hard pivots from heavy metal to opera to rockabilly to salsa, the music in HERstory of the World is insane — and yet every song works for the context it's put in. Stephen Daw, Billboard, "Every Rusical from 'RuPaul's Drag Race,' Ranked Worst to Best," 18 Feb. 2021 So, walking into the costume department and seeing all these incredible designers just making all these clothes and creating this world, was just insane. Adam Rathe, Town & Country, "Bridgerton Star Phoebe Dynevor on Upending the Traditional Costume Drama," 25 Dec. 2020 Even though show officials are promising to follow protocols that exceed local and state guidelines, including face masks, distancing and temperature screenings, going forward with the rodeo is insane. Elaine Ayala, San Antonio Express-News, "Ayala: San Antonio rodeo a potential super-spreader event," 9 Feb. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'insane.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of insane

1575, in the meaning defined at sense 1a(1)

History and Etymology for insane

Latin insanus, from in- + sanus sane

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Statistics for insane

Last Updated

5 Apr 2021

Cite this Entry

“Insane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insane. Accessed 11 Apr. 2021.

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More Definitions for insane

insane

adjective

English Language Learners Definition of insane

: having or showing severe mental illness
: unable to think in a clear or sensible way
used in the phrase drive/make (someone) insane to describe annoying or bothering someone very much.

insane

adjective
in·​sane | \ in-ˈsān How to pronounce insane (audio) \

Kids Definition of insane

1 : not normal or healthy in mind
2 : used by or for people who are insane an insane asylum
3 : very foolish or unreasonable

Other Words from insane

insanely adverb

insane

adjective
in·​sane | \ (ˈ)in-ˈsān How to pronounce insane (audio) \

Medical Definition of insane

1 dated : exhibiting a severely disordered state of mind
2 law : affected with insanity (see insanity sense 2)

Other Words from insane

insanely adverb

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insane

adjective
in·​sane

Legal Definition of insane

: affected with insanity

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Comments on insane

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