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

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Example Sentences

Recent Examples of Synonyms for go off the deep end
Phrase
  • Previous ceasefire talks either failed or the truces quickly fell apart.
    — Arkansas Online, Arkansas Online, 30 Oct. 2026
  • Later, a former professional boxer and a local politics kingmaker took over, but things fell apart around the time of the FBI’s raid on the property.
    — Lauren Mechling, Architectural Digest, 29 Oct. 2026
Phrase
  • Conditionality works best when the United States remains engaged enough for its partners to care about losing it.
    — Philip H. Gordon, Foreign Affairs, 12 Oct. 2026
  • Trump’s endless war and its global economic destruction isn’t helping the North Carolina apple farmer who lost it all in Hurricane Helene.
    — S.E. Cupp, New York Daily News, 8 Oct. 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.

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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 1 Nov. 2026.

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