Synonyms and antonyms of Quickly in American Thesaurus

quickly (adverb)

at a fast speed

fast (adverb)

quickly

rapid (adjective)

happening, moving, or acting quickly

hurried (adjective)

done quickly, because you do not have enough time

hasty (adjective)

done in a hurry because you do not have much time

like mad ()

very quickly and with great effort

urgent (adjective)

used about things that are being done quickly in order to deal with a serious problem

in a flash/like a flash/quick as a flash ()

very quickly

frenetic (adjective)

done very fast and with a lot of energy, often by someone who is in a hurry

like a shot ()

immediately and very quickly

against time ()

if you do something against time, you have to do it quickly because you are not sure that you will have enough time to do it

a mile a minute ()

very quickly

apace (adverb)

formal very quickly

as fast as your legs can carry you ()

at the quickest speed that you can run

at a fast/good clip ()

quickly

at a lick ()

very quickly

at a rate of knots ()

very quickly

at breakneck speed ()

very fast, especially in a way that is dangerous

(at) full pelt ()

moving as quickly as possible

before you can blink ()

very quickly

briefly (adverb)

in a way that does not take much time or give many details

cracking (adjective)

informal very fast

easily (adverb)

more quickly or more often than is usual or normal

fast (adverb)

over a short period of time

fast (adjective)

doing or able to do something quickly

flat out ()

as quickly or with as much effort as possible

full bore (adverb)

with as much speed or effort as possible

headlong (adjective)

happening or done very quickly and without careful thought

headlong (adverb)

mainly literary very quickly and without looking where you are going

hell for leather ()

very quickly, or with a lot of effort

helter-skelter (adjective)

in a hurry and without planning or organization

in a jiffy ()

very quickly, or very soon

in a trice ()

very quickly

in haste (formal)

formal too quickly, without careful planning or thought

in/into high gear ()

working very fast or effectively

in less than no time ()

extremely quickly

in no time (at all) ()

very soon, or very quickly

in short order ()

quickly and without any problems

in the blink of an eye ()

within a very short period of time

in the twinkling of an eye ()

very quickly

in two shakes (of a lamb’s tail) ()

very quickly

lickety-split (adverb)

Americaninformal very quickly

like a bat out of hell ()

extremely fast

like a (hot) knife through butter ()

very quickly or easily

like crazy/mad ()

happening or doing something in a very extreme, noticeable, or fast way

like (greased) lightning ()

very quickly

like hell (spoken)

spoken with a lot of speed or effort

like nobody’s business ()

used for emphasizing that something happens very quickly, in very large quantities, or that someone does something very well

on the double ()

very quickly

on the fly (informal)

informal in a very quick and informal way

on the go ()

quickly while doing some other activity

on the run ()

while you are busy or hurrying

overnight (adverb)

in a very short time

pell-mell (adverb)

in a quick and uncontrolled way

precipitate (adjective)

formal done too quickly, and without enough thought or preparation

pronto (adverb)

informal now, or very quickly

quick (adverb)

spoken quickly

quick as a wink ()

very quickly

rapid-fire (adjective)

rapid-fire words are said very quickly

rapid-fire (adjective)

rapid-fire actions happen very quickly or within a short period of time

rushed (adjective)

done in a hurry, especially in too much of a hurry

slapdash (adjective)

doing something quickly and not carefully

smartish (adverb)

Britishinformal very quickly

snap (adjective)

decided or arranged very quickly, without much thought, preparation, or warning

someone/something will take/be a moment ()

someone or something will be very quick

speedily (adverb)

quickly

swiftly (adverb)

quickly or immediately

with alacrity ()

quickly and with enthusiasm

with dispatch ()

as soon and as fast as possible

without ceremony ()

in a quick, informal, and sometimes impolite way