1. (p. pr. & vb. n.) of Fleet.

2. (a.) Passing swiftly away; not durable; transient; transitory; as, the fleeting hours or moments.

abrupt blunt brief brittle brusque capricious changeable compendious corruptible crusty curt deciduous disappearing dissolving dying ephemeral evanescent evaporating fading fickle flitting fly-by-night flying fragile frail fugacious fugitive gruff impermanent impetuous impulsive inconstant insubstantial laconic melting momentary mortal mutable nondurable nonpermanent passing perishable short short and sweet short-lived snippety snippy succinct temporal temporary terse transient transitive transitory undurable unenduring unstable vanishing volatile