WENT OFF THE DEEP END Synonyms: 12 Similar Words

went off the deep end

phrase

past tense 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.

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Recent Examples of Synonyms for went off the deep end

Phrase

Negotiations on both fell apart earlier this month but could still be revived in the lame duck session.

— David Sivak, The Washington Examiner, 30 Sep. 2026
OpenAI had tried to invest $100 million into the startup after the cyberattack, though talks fell apart in the early stages, sources told CNBC.

— Kai Nicol-Schwarz, CNBC, 30 Sep. 2026

Definition of fell apart

Phrase

One question that scientists have puzzled over for years is whether Venus always lacked a moon, or if the hottest planet in the solar system once had a natural satellite and somehow lost it.

— Robert Lea, Space.com, 8 Sep. 2026
Valadao won a congressional seat in 2012, lost it in 2018, then won it back in 2020.

— ABC News, ABC News, 5 Sep. 2026

Definition of lost it

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went off

went off the deep end

went on

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“Went off the deep end.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/went%20off%20the%20deep%20end. Accessed 7 Oct. 2026.

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Synonyms of went off the deep end

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