Synonyms of volatile in English:

volatile


See definition of volatile

adjective

1‘her sister was headstrong and volatile’

SYNONYMS

unpredictable, changeable, variable, inconstant, inconsistent, uncertain, erratic, irregular, unstable, turbulent, unsteady, unsettled, unreliable, undependable, changing, ever-changing, varying, shifting, fluctuating, fluid, mutable, protean, fitful, wavering, full of ups and downs

mercurial, capricious, whimsical, fickle, flighty, giddy, impulsive, wayward, temperamental, highly strung, excitable, emotional, overemotional, fiery, moody, choleric, stormy, tempestuous, volcanic

informal blowing hot and cold

technical labile

rare fluctuant, changeful

ANTONYMS

stable, constant

2‘the atmosphere in the capital seems far too volatile for any talk of elections’

SYNONYMS

tense, strained, fraught, uneasy, uncomfortable, charged, explosive, eruptive, inflammatory, turbulent, in turmoil, full of upheavals

informal hairy, nail-biting, white-knuckle

British informal dodgy

ANTONYMS

stable, calm

3‘a plume of pollution caused by a volatile organic compound’

SYNONYMS

evaporative, vaporous, vaporescent

explosive, eruptive, inflammable

unstable

technical labile