The term 'A Sharp Sour Taste' can be described by three words: TART, ACIDIC, and ACID. TART is a word used to describe a sharp, sour taste, usually associated with fruits such as lemons or limes. ACIDIC is a word used to describe something that contains ACID, which is a substance that has a sour taste and reacts with other substances. ACID is also a word used to describe a sour taste, but it is more general than the other two words. All three words can be used to describe a sharp, sour taste.