adj.
1.smelling of fermentation or staleness
2.having a sharp biting taste
3.one of the four basic taste sensations
4.in an unpalatable state
5.inaccurate in pitch
6.showing a brooding ill humor sour n.
1.a cocktail made of a liquor (especially whiskey or gin) mixed with lemon or lime juice and sugar
2.the taste experience when vinegar or lemon juice is taken into the mouth
3.the property of being acidic sour v.
1.go sour or spoil
2.make sour or more sour
Idiom of the Day
creep up on (someone or something)
to crawl quietly toward someone or something
The thief crept up on the woman in the supermarket.