Synonyms of agile

1 Syllable
spry, smart, sharp, buoyant, quick, fast, brisk, prompt, spright, spryer, spryest, swift, fleet, pdq
2 Syllables
sprightlier, stirring, sprightly, clever, smartest, hasty, fleetest, go-go, speedier, faster, hastier, smarter, lissom, speedy, limber, supple, fleeter, brisker, quick-fire, smarted, hastiest, ablest, fastest, quicker, speediest, nimblest, ready, fasted, alert, lithe, nimbler, weightless, bustling, abler, suppler, lither, quickest, wirier, lithest, frisky, asap, wiry, zippy, rapid, gogo, chop-chop, winged
3 Syllables
mercurial, athletic, eggheaded, vigorous, bendable, spirited, lissome, willowy, livelier, rapider, light-footed, floatable, vivacious, quick-witted, rapid-fire, sharp-sighted, sportive, featherweight, lightfooted, barreling, active, dexterous, liveliest, acute, lively, double-time, screamin'
4 Syllables
supersonic, hypersonic, alacritous, ultrasonic, lithesome, gossamery, super-sonic, fairylike, easy-moving, nimble-footed, harefooted, energetic