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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

As diet maven Susan Powter proclaimed in the ’90s: Stop the insanity!

From Salon • May 10, 2026

Companies can spark temporary insanity by just saying some magic words.

From The Wall Street Journal • Apr. 16, 2026

School remained a haven from the insanity of a city in the middle of a war.

From "Malala: The Girl Who Stood Up for Education and Changed the World" by Malala Yousafzai




Vocabulary lists containing insanity


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