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
  1. fall apart
  2. lose it
Phrase
  • The sale comes amid a pair of parallel federal probes in Walter’s multibillion-dollar business empire, and just a few weeks after Kushner’s deal to lead an investment into FIFA’s proposed $20 billion commercial venture fell apart.
    — Eben Novy-Williams, Sportico.com, 13 Aug. 2026
  • Speaking publicly for the first time since discussions fell apart in Springfield, McCaskey said the Bears aren’t second-guessing their strategy to get a deal done in Illinois.
    — Sean Hammond, Chicago Tribune, 13 Aug. 2026
Definition of fall apart
Phrase
  • The Bot gets 1 for guessing in three and loses it for losing to me.
    — Erik Kain, Forbes.com, 16 Aug. 2026
  • When that talent is developed, Disney doesn’t want to lose it to other studios or platforms.
    — Megan Vick, Variety, 13 Aug. 2026
Definition of lose it
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

go off
go off the deep end
goofiness
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 20 Aug. 2026.

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