volatile (n.)
- airy
- brittle
- bubbly
- dying
- eccentric
- ephemeral
- explosive
- fading
- fly-by-night
- flying
- frail
- fugitive
- irregular
- leger
- light
- moody
- mortal
- mousse
- passing
- perishable
- quicksilver
- rambling
- roving
- sensitive
- shallow
- shifting
- shuffling
- souffle
- spasmodic
- temporal
- temporary
- tense
- toying
- transient
- transitive
- vagrant
- variable
- wandering
- wanton
- wavering
volatile (adj.)
- adrift
- afloat
- airy
- alternating
- amorphous
- bouncy
- brittle
- bubbly
- buoyant
- capricious
- changeable
- changeful
- charged
- coquettish
- corruptible
- deciduous
- desultory
- dizzy
- downy
- dying
- eccentric
- edgy
- effervescent
- ephemeral
- erratic
- eruptive
- ethereal
- evanescent
- evaporable
- evaporative
- expansive
- explosive
- faddish
- fading
- featherbrained
- feathery
- fickle
- fitful
- fleeting
- flickering
- flighty
- flippant
- flirtatious
- fluctuating
- fluffy
- fly-by-night
- flying
- foamy
- fragile
- frail
- freakish
- frivolous
- frothy
- fugacious
- fugitive
- giddy
- impermanent
- impetuous
- impulsive
- inconsistent
- inconstant
- indecisive
- infirm
- insubstantial
- irregular
- irresolute
- irresponsible
- light
- light-minded
- lubricious
- mazy
- mercurial
- momentary
- moody
- mortal
- mutable
- passing
- perishable
- protean
- quicksilver
- rambling
- resilient
- restless
- roving
- scatterbrained
- sensitive
- shallow
- shapeless
- shifting
- shifty
- short-lived
- skittish
- spasmodic
- spineless
- superficial
- temperamental
- temporal
- temporary
- tense
- ticklish
- transient
- transitive
- transitory
- unaccountable
- uncertain
- uncontrolled
- undependable
- undisciplined
- unfixed
- unpredictable
- unreliable
- unrestrained
- unsettled
- unstable
- unsteady
- vacillating
- vagrant
- vaporable
- vaporizable
- variable
- versatile
- volatilizable
- wandering
- wanton
- wavering
- wavy
- wayward
- weightless
- whimsical
- wishy-washy
- yeasty
