Synonyms of swift

swift 1 of 2

adjective

ˈswift 

as in rapid

moving, proceeding, or acting with great speed

the sleekest, swiftest boat ever to have sailed in the regatta

Synonyms & Similar Words

• rapid
• quick
• brisk
• fast
• galloping
• speedy
• hasty
• whirlwind
• lightning
• rattling
• rapid-fire
• hurried
• blistering
• breathless
• zippy
• fleet
• flying
• hot
• splitting
• snappy
• breakneck
• accelerated
• expeditious
• nippy
• dizzy
• fleet-footed
• prompt
• at speed
• rushed
• vigorous
• ready
• strong
• breathtaking
• quickened
• strenuous
• high-speed
• rush
• energetic
• hastened
• ultrafast
• ultrarapid

Antonyms & Near Antonyms

• slow
• sluggish
• unhurried
• deliberate
• dragging
• languid
• crawling
• leisurely
• plodding
• lingering
• laggard
• poky
• measured
• dallying
• late
• slowish
• tardy
• dilatory
• dillydallying
• dawdling
• poking
• ultraslow

swift

2 of 2

adverb

as in quick

with great speed

tried to cross the swift-flowing river

Synonyms & Similar Words

• quick
• quickly
• fast
• rapidly
• swiftly
• soon
• hot
• promptly
• immediately
• speedily
• hastily
• in short order
• in a hurry
• briskly
• by leaps and bounds
• at full tilt
• like a shot
• double-quick
• at full throttle
• like wildfire
• fleetly
• apace
• a mile a minute
• presto
• like gangbusters
• lickety-split
• hell-for-leather
• chop-chop
• abruptly
• pronto
• posthaste
• full tilt
• snappily
• readily
• recklessly
• vigorously
• impulsively
• rashly
• impetuously
• suddenly
• energetically

Antonyms & Near Antonyms

• slowly
• slow
• sluggishly
• deliberately
• leisurely
• lingeringly
• ploddingly
• laggardly
• belatedly
• tardily
• delinquently

Synonym Chooser

How does the adjective swift contrast with its synonyms?

Some common synonyms of swift are expeditious, fast, fleet, hasty, quick, rapid, and speedy. While all these words mean "moving, proceeding, or acting with celerity," swift suggests great rapidity coupled with ease of movement.

returned the ball with one swift stroke

When can expeditious be used instead of swift?

The words expeditious and swift are synonyms, but do differ in nuance. Specifically, expeditious suggests efficiency together with rapidity of accomplishment.

the expeditious handling of an order

How are the words fast and rapid related as synonyms of swift?

Both fast and rapid are very close in meaning, but fast applies particularly to the thing that moves.

fast horses

When would fleet be a good substitute for swift?

The synonyms fleet and swift are sometimes interchangeable, but fleet adds the implication of lightness and nimbleness.

fleet runners

When is hasty a more appropriate choice than swift?

The meanings of hasty and swift largely overlap; however, hasty suggests hurry and precipitousness and often connotes carelessness.

a hasty inspection

In what contexts can quick take the place of swift?

Although the words quick and swift have much in common, quick suggests promptness and the taking of little time.

a quick wit

Where would rapid be a reasonable alternative to swift?

In some situations, the words rapid and swift are roughly equivalent. However, rapid applies to the movement itself, rather than to the thing that moves.

rapid current

When could speedy be used to replace swift?

While the synonyms speedy and swift are close in meaning, speedy implies quickness of successful accomplishment and may also suggest unusual velocity.

speedy delivery of mail

Example Sentences

Recent Examples of swift

Adjective

Instead, the swift decisions by Johnson and the signaler enabled the train to be stopped at Huntingdon; the next opportunity would have been a station seven minutes further down the line. —Lauren Kent, CNN Money, 3 Nov. 2025

In the event that the system identifies a threat, operators are remotely notified and linked to relevant video feeds to support swift reviews and informed responses. —Atharva Gosavi, Interesting Engineering, 3 Nov. 2025

Adverb

That trip was referenced in the whistle-blower complaint that sparked the House’s swift-moving impeachment inquiry. —Jennifer Jacobs, Time, 17 Oct. 2019

As of Monday, Golden Police Chief Bill Kilpatrick and Jefferson County Sheriff Jeff Schrader are restricting water activities on Clear Creek because of swift-moving water and floating debris. —Kirk Mitchell, The Denver Post, 1 July 2019