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