GONE OFF THE DEEP END Synonyms: 12 Similar Words

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

Relevance

Example Sentences

Recent Examples of Synonyms for gone off the deep end

lost it

Phrase

Nearly all Chinese model providers gained market share on the platform since January, while all US companies lost it.

— Rachyl Jones, semafor.com, 8 July 2026
My father, who had been flying under fire without complaint, lost it.

— Mahsa Alimardani, Time, 6 July 2026

Definition of lost 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

gone off

gone off the deep end

gone (on)

See all Nearby Words

Cite this Entry

Style

“Gone off the deep end.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/gone%20off%20the%20deep%20end. Accessed 16 Jul. 2026.

Copy Citation