evaporating rapidly; passing off readily in the form of vapor:
Acetone is a volatile solvent.
2.
tending or threatening to break out into open violence; explosive:
a volatile political situation.
3.
changeable; mercurial; flighty:
a volatile disposition.
4.
(of prices, values, etc.) tending to fluctuate sharply and regularly:
volatile market conditions.
5.
fleeting; transient:
volatile beauty.
6.
Computers. of or relating to storage that does not retain data when electrical power is turned off or fails.
7.
able to fly or flying.