We found 8 dictionaries that define the word go sour:

General (4 matching dictionaries)

1. go sour: Oxford Learner's Dictionaries
2. go sour: Collins English Dictionary
3. go sour: Wiktionary
4. go sour: TheFreeDictionary.com

Business (1 matching dictionary)

5. go sour: Legal dictionary

Computing (1 matching dictionary)

6. go sour: Encyclopedia

Medicine (1 matching dictionary)

7. go sour: Medical dictionary

Miscellaneous (1 matching dictionary)

8. go sour: Idioms

Definitions from Wiktionary (go sour) ▸ verb:  (food) To spoil, rot, become sour. ▸ verb:  (figuratively) To become unpleasing, unpleasant, unsatisfying, unfulfilling to one's wishes. Similar: sour, spoil, turn, go bad, oversour, souren, besour, acerbate, unsour, acidify, more... Opposite: freshen, sweeten, improve, enhance ▸ Words similar to go sour ▸ Usage examples for go sour ▸ Idioms related to go sour ▸ Wikipedia articles (New!) ▸ Words that often appear near go sour ▸ Rhymes of go sour ▸ Invented words related to go sour