go off the deep end

phrase

Definition of go off the deep endnext
as in crack
to yield to mental or emotional stress After months of pressure at work, he went off the deep end.

Synonyms & Similar Words

Relevance

Example Sentences

Recent Examples of Synonyms for go off the deep end
Phrase
  • Part of the reason Robby’s behavior felt like such a betrayal, to viewers and inside the hospital, is because of how remarkable Wyle is as this talented man falling apart at the seams.
    Daniel Fienberg, HollywoodReporter, 10 Sep. 2026
  • In the 2011 season following that previous postseason victory, the Bears started strong but fell apart after an injury to the quarterback.
    Jon Greenberg, New York Times, 10 Sep. 2026
Phrase
  • Valadao won a congressional seat in 2012, lost it in 2018, then won it back in 2020.
    ABC News, ABC News, 5 Sep. 2026
  • The weird girl novel is narrated by a young woman who is kind of losing it.
    Literary Hub, Literary Hub, 3 Sep. 2026
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.

Browse Nearby Words

See all Nearby Words

Cite this Entry

“Go off the deep end.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/go%20off%20the%20deep%20end. Accessed 15 Sep. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster