adjective
1.
Synonyms: elastic 2, airy, bouncy, buoyant, effervescent, expansive, resilient
Related Word: capricious, fickle, inconstant, mercurial, unstable; flighty, flippant, frivolous, light-minded; changeable, protean, variable
2.
Synonyms: excitable , agitable, alarmable, edgy, skittery, skittish, startlish
Related Word: explosive
3.
Synonyms: inconstant 1, capricious, changeable, fickle, lubricious, mercurial, temperamental, ticklish, unstable, variable
4.
Synonyms: transient , ephemeral, evanescent, fleeting, fugacious, fugitive, impermanent, momentary, short-lived, transitory