Synonyms and related words :
aeronautics, agile, air service, airborne, airline, ascending, astronautics, aviation, axial, back, back-flowing, backward, ballooning, blind flying, breakneck, brittle, capricious, changeable, cloud-seeding, commercial aviation, contact flying, corruptible, cruising, cursory, dashing, deciduous, descending, disappearing, dissolving, double-quick, down-trending, downward, drifting, dying, eagle-winged, ephemeral, evanescent, evaporating, expeditious, express, fading, fast, festinate, feverish, fickle, fleet, fleeting, flight, flitting, flowing, fluent, fluttering, fly-by-night, fragile, frail, fugacious, fugitive, furious, galloping, general aviation, gliding, going, gyrational, gyratory, hair-trigger, hasty, headlong, hovering, hurried, hustling, immediate, impermanent, impetuous, impulsive, inconstant, instant, insubstantial, jet-propelled, last-minute, light of heel, light-footed, lively, melting, mercurial, momentary, mortal, mounting, mutable, nimble, nimble-footed, nondurable, nonpermanent, on the spot, passing, perishable, pilotage, plunging, precipitate, progressive, prompt, quick, quick as lightning, quick as thought, rapid, reckless, reflowing, refluent, regressive, retrogressive, rising, rocket-propelled, rotary, rotational, rotatory, running, rushing, sailing, sailplaning, short-lived, sideward, sinking, slap-bang, slapdash, snap, snappy, soaring, spanking, speedy, streaming, superficial, swift, temporal, temporary, transient, transitive, transitory, undurable, unenduring, unstable, up-trending, upward, urgent, vanishing, volant, volatile, volitant, winged, winging