Having the qualities of a gas
light, airy, imponderable, subtle, buoyant, gaseous, gasiform, vaporous, vapory, vaporizable, evaporable, effervescent, expansive, resilient, elastic.
Antonyms heavy*, dense, solid.
Having a sprightly temperament
lively, light-hearted, vivacious, gay, animated, merry, flippant, teasing, playful, sprightly; see also active 1, 2, happy 1.
Antonyms solemn*, demure, quiet.
Liable to sudden change
unstable, unpredictable, explosive; see changeable 1, 2.
frivolous, capricious, whimsical; see changeable 1, fickle 2.
"volatile." YourDictionary, n.d. Web. 11 October 2018. <http://thesaurus.yourdictionary.com/volatile>.
volatile. (n.d.). Retrieved October 11th, 2018, from http://thesaurus.yourdictionary.com/volatile
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