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goes off the deep end

phrase

present tense third-person singular of go off the deep end
as in falls apart
to yield to mental or emotional stress After months of pressure at work, he went off the deep end.

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Cite this Entry

“Goes off the deep end.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/goes%20off%20the%20deep%20end. Accessed 29 Nov. 2025.

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