go sour

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go sour

verb goes sour · going sour · went sour · gone sour

of food To spoil, rot, become sour.
Similar: go bad
figuratively To become unpleasing, unpleasant, unsatisfying, unfulfilling to one's wishes. The flight went sour after I spilled coffee all over myself.
Similar: turn sour

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verb (figuratively) to become unpleasant

Français	tourner au vinaigre, mal tourner

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MLA

"go sour." Wiktionary, via Micwyn, micwyn.com/word/go%20sour. Accessed 6 Nov. 2026.

APA

go sour. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/go%20sour

Chicago

"go sour." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/go%20sour.

BibTeX

@misc{go_sour_2026,
  title = {go sour},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/go%20sour},
  urldate = {2026-11-06}
}