1. likely to change suddenly; 2. liable to lead to violence; 3. evaporating easily
– The volatile situation in the Middle East could erupt into violence at any moment.
– She is afraid to invest in the stock market because it seems volatile and risky.
– The news report said to expect volatile weather this week, possibly including thunderstorms and hail.
– She has a volatile temper and is prone to shouting at people in anger.
capricious, inconsistent, explosive, unstable
to get something from someone by begging or cajoling
– We are all a little frustrated with Joe for trying to cadge rides every day without ever taking a turn himself or offering anyone gas money.
– The children are always cadging their parents for extra spending money.
– It’s irritating when he tries to cadge me to buy lunch for him, since I know he’ll never return the favor.
– I forgot my cigarettes in the car; I guess I’ll have to cadge one from someone.
beg, bum, scrounge, mooch