go crazy

idiomatic phrase

1
: to become mentally unsound
I must be going crazy. I can't find my car keys anywhere.
—not used technically
2
: to act in a way that is out of control : to act wildly
We were just talking when he suddenly went crazy and started screaming.
The crowd went crazy when the team won the championship.

Examples of go crazy in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The quarterback carousel has gone crazy through free agency, and now the Kansas City Chiefs have landed Patrick Mahomes as his new backup. — Raja Krishnamoorthi, Newsweek, 13 Mar. 2025 Records can be broken, anyone can win, front runners can be toppled, and Brazil and Latvia just might go crazy. — Pete Hammond, Deadline, 28 Feb. 2025 Order a variety of Starbucks syrups and at-home coffees and go crazy. — Kate Friedman, Glamour, 27 Feb. 2025 The Extraterrestrial Highway With the U.S. government officially investigating unexplained sightings, the world has gone crazy for UFOs. — Graham Averill, Outside Online, 3 Mar. 2025 See All Example Sentences for go crazy

Word History

First Known Use

1743, in the meaning defined at sense 2

Time Traveler
The first known use of go crazy was in 1743

Rhymes for go crazy

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Browse Nearby Words

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Cite this Entry

“Go crazy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/go%20crazy. Accessed 25 Mar. 2025.

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