Open English Wordnet
Nouns
(n)volatilea volatile substance; a substance that changes readily from solid or liquid to a vapor“it was heated to evaporate the volatiles” Adjectives
(a)volatileevaporating readily at normal temperatures and pressures“volatile oils”,
“volatile solvents” (s)explosive, volatileliable to lead to sudden change or violence“an explosive issue”,
“a volatile situation with troops and rioters eager for a confrontation” (s)fickle, volatilemarked by erratic changeableness in affections or attachments“fickle friends”,
“a flirt's volatile affections” (s)volatiletending to vary often or widely“volatile stocks”,
“volatile emotions”