Definitions of sour
British English : sour If a friendship, situation, or attitude sours or if something sours it, it becomes less friendly, enjoyable, or hopeful. VERBIf anything sours the relationship, it is likely to be real differences in their world-views.
adjective
- having or denoting a sharp biting taste like that of lemon juice or vinegar Compare bitter (sense 1)
- made acid or bad, as in the case of milk or alcohol, by the action of microorganisms
- having a rancid or unwholesome smell
- (of a person's temperament) sullen, morose, or disagreeable
- (esp of the weather or climate) harsh and unpleasant
- disagreeable; distasteful ⇒ a sour experience
- (of land, etc) lacking in fertility, esp due to excessive acidity
- (of oil, gas, or petrol) containing a relatively large amount of sulphur compounds
- See go sour
noun
- something sour
- (mainly US ) any of several iced drinks usually made with spirits, lemon juice, and ice ⇒ a whiskey sour
- an acid used in laundering and bleaching clothes or in curing animal skins
verb
- to make or become sour
noun
- a variant spelling of Sur
noun
- transliteration of the Arabic name for Tyre