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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

“Man on Fire” does what thrillers do, accelerating into insanity toward the end of its seven episodes, becoming increasingly implausible, frenetic and rife with coincidence.

From The Wall Street Journal • Apr. 30, 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

He jerked at the chain and tried to get loose, not to get away from the dogs but to get at them—I mean, it was complete insanity.

From This Side of Wild by Gary Paulsen




Vocabulary lists containing insanity


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