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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.

I buried my head in the sand for a really long time, and it wasn’t until the documentary that I looked back at the insanity of it.

From Los Angeles Times • May 18, 2026

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

He maintained that he was suffering from mental illness at the time of the attack and was unable to form the intent to kill, urging the court to acquit him on the grounds of insanity.

From BBC • Apr. 30, 2026

In June 1982, Hinckley was found not guilty by reason of insanity and sent to a psychiatric facility; he was fully released from federal custody in 2022.

From The Wall Street Journal • Mar. 30, 2026

Hinckley was tried and found not guilty by reason of insanity.

From "Ambushed!" by Gail Jarrow




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