Go Back to Top
Definition of sour
sour - adj. smelling of fermentation or staleness; having a sharp biting taste; one of the four basic taste sensations; like the taste of vinegar or lemons; showing a brooding ill humor; inaccurate in pitch; in an unpalatable state; noun the taste experience when vinegar or lemon juice is taken into the mouth; a cocktail made of a liquor (especially whiskey or gin) mixed with lemon or lime juice and sugar; the property of being acidic; verb go sour or spoil; make sour or more sour.
Sour on: Dictionary Google Wikipedia YouTube