1. Readily vaporizable at a relatively low temperature.
2. Flying or having the power to fly.
3. Lightheartedness, liveliness.
4. Easily aroused; such as, volatile suspicions.
5. A tendency to erupt into violence; explosive; such as, a volatile temper.
6. That which is haracterized by or subject to rapid or unexpected change; including, a volatile stock market.
7: Anything which is difficult to capture or to hold permanently; evanescent; transitory.