His temper was always very volatile.
The relationship between Russia and Turkey is volatile.
This is a very volatile material.
The situation in the region remains volatile due to the ongoing political unrest.
Consensual: relating to or involving consent
The most volatile liquids are those that evaporate quickly into vapors. Prudent investors avoid volatile stocks and seek steady capital growth. When the police tried to arrest the gang's leader, a volatile situation developed.
In the technical use of "volatile" in physical chemistry, "low-boiling" is a synonym. {For synonyms in other contexts, see a related answer.}
Unstable, explosive, mercurial, fickle, unsettled...
I had a very good idea for a sentence using the word volatile. However, my thoughts just evaporated!
the contents of this container and volatile, keep the lid on
The crowd became volatile when the police arrived at the scene.
Volatile organic compound
volatile
The principal of the school is on his way to the meeting and will attempt to calm the people down and defuse the volatile situation.
The situation in the region remains volatile due to the ongoing political unrest.
Consensual: relating to or involving consent
Yes!
volatilis
"The WikiAnswers Contributor became volatile with rage when a server error would not allow him to post any answers."
A USB flash drive is considered to have volatile memory. It is called volatile because it is easily changed or deleted.