Meanings
- usually in the phrase 'go off the deep end'Extremely angry.
I told him that I'd broken the vase, and he went off the deep end.
- USidiomaticCrazy, erratic, or irrational.
It used to be a funny comic, but lately it has gone off the deep end.
1 more example
I lost a good friend / Christmastime when folks go off the deep end / His woman took the kids and he took Klonopin / Enough to kill a man of twice his size
2013, Jason Isbell, “Relatively Easy”, in SoutheasternSynonyms: 5150, bananas, barking, barking mad, fey, buggish, buggy, bughouse
Synonyms & antonyms
Cite this entry
off the deep end. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/off%20the%20deep%20end
“off the deep end.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/off%20the%20deep%20end. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “off the deep end,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/off%20the%20deep%20end.
Source: off the deep end on Wiktionary, CC BY-SA 4.0.