gone off the deep end

phrase

past participle of go off the deep end
as in cracked
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 gone off the deep end
lost it
Phrase
  • As that case progressed, attorneys revealed in court that FBI agents had told ICE to preserve irreplaceable video from the office building — but ICE lost it.
    — Charlotte Observer, Charlotte Observer, 13 Nov. 2026
  • Democrats previously held a slight majority after the 2022 midterm election but lost it in 2024.
    — DeJanay Booth-Singleton, CBS News, 4 Nov. 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

“Gone off the deep end.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/gone%20off%20the%20deep%20end. Accessed 14 Nov. 2026.

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