quick is on the Basic English 850 List. question - quick - quiet quick is one of the 1000 most common headwords. question - quick - quid Pronunciation IPA (key): /kwɪk/ Audio (US)(file) Audio (UK)(file) Adjective Positive quick Comparative quicker Superlative quickest Using very little time; moving far in little time. You are able to run very quickly. I will wash quickly. He learns quickly. Synonyms (rapid) fast, rapid, speedy, swift, nippy (short duration) short, fast, brief, cursory, fleeting, momentary, passing, transient, effervescent (sudden) sudden, immediate, instant, prompt, abrupt, swift, rapid (rapid at learning) clever, bright, sharp-witted, sharp, shrewd, astute, intelligent, adroit, rapid, smart, apt, gifted (nimble) nimble, lively, sprightly, vivacious, spry, agile, energetic, vigorous, active, animated, dynamic, bubbly, spirited, sparkling Antonyms (rapid) slow, lazy, sluggish, unhurried, measured, deliberate, leisurely, dawdling (short duration) long, time-consuming, long-winded, long-drawn-out, protracted, lengthy, lingering, gradual, prolonged (sudden) gradual, slow, incremental, delayed, prolonged (rapid at learning) stupid, dim, dim-witted, dumb, slow, thick, dense, slow on the uptake (nimble) lethargic, sluggish, tired, weary lackluster, lazy, languid, indolent, awkward, dreary, lifeless Related words quicken quicker than the eye can follow quickly quicksilver quick as a wink quick on the uptake quick-witted Adverb Positive quick Comparative quicker Superlative quickest 'Note: This usage is properly quickly. Done rapidly. He finished quick. Synonyms quickly fast rapidly hurriedly swiftly speedily Antonyms slowly lethargically lazily gradually leisurely unhurriedly bit by bit little by little at a snail's pace Wikiwand - on Seamless Wikipedia browsing. On steroids.