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Definitions

insanity

[in-san-i-tee] / ɪnˈsæn ɪ ti /


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.

Barabak: A popular expression — which Steyer mentioned — defines insanity as doing the same thing over and over and expecting a different result.

From Los Angeles Times • May 15, 2026

When “Dude, Where’s My Car?” or “Pineapple Express” pushes the insanity to its limit, the films feel like testaments to close friendship.

From Salon • Apr. 18, 2026

The insanity of investing in a new playground when a dozen festering issues make the park unsafe should be crystal clear to one and all.

From Los Angeles Times • Apr. 18, 2026

She was reportedly found not responsible by reason of insanity.

From BBC • Apr. 15, 2026

I was glad to see he recognized insanity and could appreciate, on some level, his hostility toward my amateur psych-testing.

From "Newjack: Guarding Sing Sing" by Ted Conover




Vocabulary lists containing insanity


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