Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun souring

1 sense of souring

Sense 1
souring -- (the process of becoming sour)
       => spoilage, spoiling -- (the process of becoming spoiled)

Antonyms of verb sour

1 of 2 senses of sour

Sense 2
sour, acidify, acidulate, acetify -- (make sour or more sour)
       Antonym of sweeten (Sense 1)
      => sweeten, dulcify, edulcorate, dulcorate -- (make sweeter in taste)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb sour

2 senses of sour

Sense 1
sour, turn, ferment, work -- (go sour or spoil; "The milk has soured"; "The wine worked"; "The cream has turned--we have to throw it out")
       => change state, turn -- (undergo a transformation or a change of position or action; "We turned from Socialism to Capitalism"; "The people turned against the President when he stole the election")

Sense 2
sour, acidify, acidulate, acetify -- (make sour or more sour)
       => change taste -- (alter the flavor of)