Synonyms to quick as thought

agile, active, acute, adroit, alacritous, alert, alive, attentive, awake, breakneck, bright, brisk, catty, dashing, deft, dexterous, dextrous, dispatchful, double-quick, eagle-winged, expeditious, express, fast, featly, fleet, flying, galloping, graceful, hair-trigger, hasty, headlong, hustling, keen, light, light of heel, light-footed, limber, lissome, lithe, lively, mercurial, neat-fingered, neat-handed, nimble, nimble-footed, on the, on the alert, on the ball, on the job, peart, precipitate, prompt, qui vive, quick, quick as lightning, rapid, ready, reckless, resourceful, running, sharp, sleepless, smart, snappy, spanking, speedy, sprightly, spry, supple, sure-footed, swift, tripping, unblinking, unnodding, unsleeping, unwinking, volant, wakeful, wide-awake, winged, zippy, abrupt, accident-prone, bluff, bold, breathless, careless, dangerous, daredevil, desperate, devil-may-care, excessive, furious, harum-scarum, hell for leather, hotheaded, hurried, im