Meaning & Definition of Variable in English

1. Something that is likely to vary

• Something that is subject to variation

• "The weather is one variable to be considered"

2. A quantity that can assume any of a set of values

3. A star that varies noticeably in brightness

4. A symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity

1. Liable to or capable of change

• "Rainfall in the tropics is notoriously variable"

• "Variable winds"

• "Variable expenses"

2. Marked by diversity or difference

• "The varying angles of roof slope"

• "Nature is infinitely variable"

3. (used of a device) designed so that a property (as e.g. light) can be varied

• "A variable capacitor"

• "Variable filters in front of the mercury xenon lights"