sour

definition: smelling of fermentation or staleness
example:
speech part: adjective
synonyms: rancid
definition: showing a brooding ill humor
example:
speech part: adjective
synonyms: dark
definition: inaccurate in pitch
example: a false (or sour) note
speech part: adjective
synonyms: false
definition: having a sharp biting taste
example:
speech part: adjective
synonyms:
definition: in an unpalatable state
example: sour milk
speech part: adjective
synonyms: off
definition: one of the four basic taste sensations
example:
speech part: adjective
synonyms: salty
definition: the property of being acidic
example:
speech part: noun
synonyms: sourness acidity
definition: the taste experience when vinegar or lemon juice is taken into the mouth
example:
speech part: noun
synonyms: sourness tartness
definition: a cocktail made of a liquor (especially whiskey or gin) mixed with lemon or lime juice and sugar
example:
speech part: noun
synonyms:
definition: go sour or spoil
example: The milk has soured
speech part: verb
synonyms: turn
definition: make sour or more sour
example:
speech part: verb
synonyms: acidify acetify acidulate

sour is explained and pronounced

How sour is being used?