Turn sour synonyms
To cause to decompose or decay.
To be damaged or injured in such a way as to become useless, valueless, etc.; specif., to decay, as food
To fall into ruin:
Find another word for turn sour. In this page you can discover 4 synonyms, antonyms, idiomatic expressions, and related words for turn sour, like: putrefy, rot, spoil and decay.