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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.

I remember when he told me about the membership, I was like, “You pay how much? That’s insane, dude.”

From Los Angeles Times • Apr. 17, 2026

“There is this insane new piece of technology that is fundamentally going to rewire how we work. Some companies are going to make it, some companies are not,” Huang said.

From The Wall Street Journal • Apr. 14, 2026

Shipping costs are up, too, Ferreri said, describing "insane" prices for the delivery of essential farm equipment.

From Barron's • Apr. 11, 2026

What about a melty, fluffy egg that has an insane cheese pull?

From Salon • Mar. 21, 2026

I bet that everyone there really did think that there was an insane woman who had been locked in the attic of the theater for a great many years and they had just heard her.

From "Okay for Now" by Gary D. Schmidt

Vocabulary lists containing insane

salu, san (health)

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