go sour
The phrase "go sour" is often used to describe the deterioration of both literal and figurative conditions, such as food spoilage or relationships turning negative.
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Definition
B1Food
(everyday)To spoil or become rancid, resulting in an unpleasant taste.
Example
- The milk will go sour if you leave it out of the fridge.
B2Relationships and Situations
(figurative, informal)To become unpleasant, problematic, or unsuccessful.
Example
- Their friendship went sour after the argument.
- The project went sour when funding was cut.
Similar
Terms that have similar or relatively close meanings to "go sour":
go badgone badgo awrygo wronggo to potgo southsour toothgo off the boilgo to shitgo to seedsour cornsour grapesfizzle outgo offgross outsour gumgo belly-upget sick