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Definitions

insane

[in-seyn] / ɪnˈseɪn /


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.

Another added: "It would be insane to challenge the patient."

From BBC • Mar. 11, 2026

When the Islamic revolution happened in 1979, they said, This is an insane system, a monarchy, that the son of the current guy is the person who’s going to rule until he dies.

From Slate • Mar. 11, 2026

“That’d be insane to me,” says coach Travis Steele.

From The Wall Street Journal • Mar. 2, 2026

But the effervescent co-host of the hit “Girls Gotta Eat” podcast will do more than just tell her “crazy, insane stories for an hour.”

From Los Angeles Times • Feb. 27, 2026

They didn’t want her shut into one of those places for the insane, so they paid for her to stay in the children’s ward of a big hospital.

From "My Life with the Chimpanzees" by Jane Goodall