volatile
1. [ adjective ] (chemistry) evaporating readily at normal temperatures and pressures
Examples:

"volatile oils" "volatile solvents"

Related terms: nonvolatile chemistry evaporable evaporable inconstant
2. [ adjective ] tending to vary often or widely
Examples:

"volatile stocks" "volatile emotions"

Related terms: changeable
3. [ adjective ] liable to lead to sudden change or violence
Synonyms: explosive
Examples:

"an explosive issue" "a volatile situation with troops and rioters eager for a confrontation"

Related terms: unstable
4. [ adjective ] marked by erratic changeableness in affections or attachments
Synonyms: fickle
Examples:

"fickle friends" "a flirt's volatile affections"

Related terms: inconstant
5. [ noun ] (chemistry) a volatile substance; a substance that changes readily from solid or liquid to a vapor
Examples:

"it was heated to evaporate the volatiles"

Related terms: substance
Similar spelling:   volatilize
  volatilise
  volatilized
  volatilised
  volatility