variable Definition
variable adjective
1. able to change: able or liable to change, especially suddenly and unpredictably
2. inconsistent: inconsistent or uneven in quality or performance
3. fickle: inconstant and capricious in nature or character
4. meteorology likely to blow differently: describes a wind that is likely to change direction or intensity
5. electronics having varying resistance: describes an electrical device that has a resistance that varies
6. biology differing from species norm: describes a species that tends to differ in some characteristic from a recognized or known type
7. mathematics having no fixed numerical value: not having a fixed numerical value