That flies easily or often.
Given to unplanned and silly ideas or actions.
Evaporating or vaporizing readily under normal conditions.
Explosive.
Temporary or ephemeral.
Variable or erratic.
Quick to become angry or violent.
Fickle.
Whose content is lost when the computer is powered down
Having its associated memory immediately updated with any changes in value.
Potentially violent.
A variable that is volatile, i.e. has its associated memory immediately updated with any change in value.
A chemical or compound that changes into a gas easily.