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Showing results for insane.
Definitions

insane

[in-seyn] / ɪnˈseɪn /
ADJECTIVE
mad
Synonyms
STRONGEST
crazy delirious demented deranged frantic frenzied kooky nutty
WEAK
aberrant bananas batty crazed cuckoo daft frenetic loony lunatic non compos mentis of unsound mind off one's rocker out of one's mind raving unbalanced unhinged unsound unstable
Antonyms
STRONGEST
balanced calm collected rational reasonable sane sensible wise
WEAK
OK sound unenthusiastic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“All of us are going through this insane geopolitical time,” Sullivan says.

From Barron's • Apr. 15, 2026

He said that people have offered him insane amounts of money for Coachella.

From Los Angeles Times • Apr. 10, 2026

"It was my dream to work with Vogue and have my 'Devil Wears Prada' moment so to be able to now say that I am a Vogue-published photographer, truly is insane."

From BBC • Mar. 26, 2026

But they were also about to prove that they were already better than most humans at making sense of a tournament known for being completely insane.

From The Wall Street Journal • Mar. 24, 2026

Here was an example of insane optimism coupled with the naive popular belief that a few hours of therapy can cure everything from chronic obesity to a lifetime of poverty.

From "Me Talk Pretty One Day" by David Sedaris

Vocabulary lists containing insane

salu, san (health)

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