| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | in the air, winged |
| Synonyms: | aerial, aeronautical, airborne, avian, drifting, express, flapping, fleet, floating, fluttering, gliding, hovering, mercurial, mobile, on the wing, plumed, soaring, speedy, streaming, swooping, volant, volar, volitant, waving, winging, zooming |
| Antonyms: | ground, grounded |
| Main Entry: | hurry |
| Part of Speech: | verb |
| Definition: | act, move speedily |
| Synonyms: | accelerate, barrel, be quick, beeline, bestir, breeze, bullet, burst, bustle, dash, dig in, drive, expedite, fleet, flit, fly, get a move on, go like lightning, goad, haste, hasten, hurry up, hustle, jog, lose no time, make haste, make short work of, make time, make tracks, nip, push, quicken, race, rip, rocket, roll, run, rush, sally, scoot, scurry, shake a leg, smoke, speed, speed up, spur, step on gas, step on it, turn on steam, urge, whirl, whish, whisk, whiz, zip |
| Antonyms: | dally, dawdle, delay, procrastinate, rest, slow, stall, wait |
| Main Entry: | posthaste |
| Part of Speech: | adjective, adverb |
| Definition: | fast |
| Synonyms: | at once, breakneck, directly, double-quick, expeditious, flat-out, fleet, fleetly, full tilt, hastily, hasty, headlong, lickety-split, pell-mell, promptly, pronto, quick, quickly, rapid, rapidly, speedily, speedy, straightaway, swift, swiftly |
| Antonyms: | eventually, slow, slowly |
| Main Entry: | quick |
| Part of Speech: | adjective |
| Definition: | fast, speedy |
| Synonyms: | ASAP, a move on, abrupt, accelerated, active, agile, alert, animated, breakneck, brief, brisk, cursory, curt, double time, energetic, expeditious, expeditive, express, fleet, flying, going, harefooted, hasty, headlong, hurried, immediate, impatient, impetuous, instantaneous, keen, lively, mercurial, move it, nimble, on the double, perfunctory, posthaste, prompt, pronto, rapid, snappy, spirited, sprightly, spry, sudden, swift, the lead out, winged* |
| Antonyms: | lazy, slow, sluggish |
| Main Entry: | rapid |
| Part of Speech: | adjective |
| Definition: | very quick |
| Synonyms: | accelerated, active, agile, breakneck, brisk, double time, expeditious, expeditive, express, fast, fleet, fleet of foot, flying, hasty, hurried, in nothing flat, light-footed, like a house on fire, lively, mercurial, nimble, on the double, precipitate, prompt, quick as a wink, quickened, ready, really rolling, screaming, speedy, spry, swift, winged |
| Notes: | a turbulent, rock-obstructed river area is rapid(s) and steep rapids make a cataract |
| Antonyms: | languishing, leisurely, slack, slow |
| Main Entry: | rush |
| Part of Speech: | verb |
| Definition: | hurry, speed |
| Synonyms: | accelerate, barrel, bolt, break, career, charge, chase, course, dart, dash, dispatch, expedite, fire up, fleet, fling, flit, fly, get cracking, get the lead out, go like lightning, haste, hasten, hotfoot, hurry up, hustle, lose no time, make haste, make short work of, press, push, quicken, race, roll, run, scramble, scud, scurry, shake a leg, shoot, speed up, sprint, step on gas, streak, surge, tear, whiz*, zip, zoom* |
| Antonyms: | retard, slow |
| Main Entry: | snappy |
| Part of Speech: | adjective |
| Definition: | fast |
| Synonyms: | abrupt, breakneck, expeditious, fleet, harefooted, hasty, immediate, instant, on-the-spot, quick, rapid, speedy, sudden, swift, unpremeditated |
| Antonyms: | delayed, slow, sluggish |
| Main Entry: | speedy |
| Part of Speech: | adjective |
| Definition: | fast, quick |
| Synonyms: | accelerated, agile, alacritous, breakneck, brisk, expeditious, express, fleet, harefooted, hasty, headlong, hurried, immediate, lissome, lively, nimble, precipitate, prompt, quick-fire, rapid, rapid-fire, ready, snappy, summary, supersonic, swift, ultrasonic, winged |
| Antonyms: | delayed, halted, slowed, tardy |
| Main Entry: | spry |
| Part of Speech: | adjective |
| Definition: | active, vivacious |
| Synonyms: | agile, alert, brisk, energetic, fleet, full of pep, healthy, in full swing, lithe, nimble, on the go, prompt, quick, quick on the draw, ready, robust, rocking, sound, spirited, sprightly, supple, vigorous |
| Antonyms: | inactive, lethargic, old, unaware, unenergetic |