Went bad, in a way

Usage examples of soured.

He was still terrified, but overriding the scent of ammonia was the soured milk smell of disbelief.

I admit that your lovely visage is a delightful change from the soured old men who usually attend these conferences.

The memory of lost toray would have soured the taste of whatever else I fed upon this darkness.

She had years in which to find anything else that might have been hidden-years to brood on his defection, as she thought it, to become cynical and soured and old.

Goodson remained a bachelor, and by-and-by became a soured one and a frank despiser of the human species.