fast 1 of 4

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2

fast

2 of 4

adjective

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2
3
4
5
as in sturdy
marked by the ability to withstand stress without structural damage or distortion as the storm approached, we checked to see that every thing on the outside of the house was fast and locked in position

Synonyms & Similar Words

Antonyms & Near Antonyms

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as in quick
having or showing quickness of mind I don't know how to operate this machine, but I'm a fast learner

Synonyms & Similar Words

Antonyms & Near Antonyms

fast

3 of 4

noun

fast

4 of 4

verb

as in to diet

Synonyms & Similar Words

Antonyms & Near Antonyms

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a fast response
a quick response
a timely response
a speedy response
a rapid response
a same-day response
a fast pace
an accelerated pace
a swift pace
a rapid pace
a quick pace
a frantic pace
a fast track
a focused track
an expeditious track
a quick track
a rapid track
an advanced track
a fast service
a quick-response service
an efficient service
a prompt service
an instant service
a timely service
a fast growth
a rapid growth
a drastic growth
a swift growth
a sharp growth
a strong growth

Synonym Chooser

How does the adjective fast contrast with its synonyms?

Some common synonyms of fast are expeditious, fleet, hasty, quick, rapid, speedy, and swift. While all these words mean "moving, proceeding, or acting with celerity," fast and rapid are very close in meaning, but fast applies particularly to the thing that moves.

fast horses

When can expeditious be used instead of fast?

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

the expeditious handling of an order

When is it sensible to use fleet instead of fast?

While the synonyms fleet and fast are close in meaning, fleet adds the implication of lightness and nimbleness.

fleet runners

In what contexts can hasty take the place of fast?

Although the words hasty and fast have much in common, hasty suggests hurry and precipitousness and often connotes carelessness.

a hasty inspection

When would quick be a good substitute for fast?

In some situations, the words quick and fast are roughly equivalent. However, quick suggests promptness and the taking of little time.

a quick wit

When might rapid be a better fit than fast?

The meanings of rapid and fast largely overlap; however, rapid applies to the movement itself, rather than to the thing that moves.

rapid current

When is speedy a more appropriate choice than fast?

The words speedy and fast can be used in similar contexts, but speedy implies quickness of successful accomplishment and may also suggest unusual velocity.

speedy delivery of mail

When could swift be used to replace fast?

While in some cases nearly identical to fast, swift suggests great rapidity coupled with ease of movement.

returned the ball with one swift stroke

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of fast
Adverb
The 15 seconds is a little too fast, in my opinion. Barry M. Bloom, Sportico.com, 12 Mar. 2025 Slowing down can also help beginners avoid accidentally hurting themself in the process — no one wants rug burn on their privates from going too hard too fast! Quispe López, Them, 12 Mar. 2025
Adjective
Reddit’s fourth-quarter sales grew 71% year over year to $428 million, which represents the fastest growth rate for any quarter since 2022. Jonathan Vanian, CNBC, 11 Mar. 2025 From today, Europe will arm itself more wisely and faster than Russia. Faisal Kutty, Newsweek, 11 Mar. 2025
Noun
The new dock also enables 2.5-hour fast charging so that the 10R can top itself back off and keep cleaning. Anthony Karcz, Forbes, 23 Jan. 2025 Bryant originally advocated for his church congregation to participate in a 40-day fast of Target shopping, and the message has now gained traction online. Josh Hammer, Newsweek, 14 Feb. 2025
Verb
Some people choose to fast and stay absolutely silent for the entire day, though it’s not required. Johanna Read, Forbes, 1 Mar. 2025 Children who have not reached puberty are not required to fast for the entire month but some may participate in periods of symbolic fasting, according to the Islamic Network Group. James Powel, USA TODAY, 1 Mar. 2025 See All Example Sentences for fast
Recent Examples of Synonyms for fast
Adverb
  • Reggie Cooper, managing director at Hawks Cay, said having a Ford restaurant on the property was a huge benefit to the resort, which is located on Duck Key, almost (but not quite) midway between Key Largo and Key West.
    Connie Ogle, Miami Herald, 11 Mar. 2025
  • Kansas City is quite familiar with Tech’s hit song ‘Red Kingdom’ which quickly became the Kansas City Chief’s team anthem, often played at Arrowhead Stadium.
    J.M. Banks, Kansas City Star, 11 Mar. 2025
Adjective
  • The waters are a constant 72 degrees year-round and fed by a rapid flow of 42 million gallons of spring water daily rising from the aquifer.
    Martin E. Comas, Orlando Sentinel, 18 Mar. 2025
  • Sure, Premier League clubs were generally profitable at that time — rapid growth in TV rights deals had not yet been caught up, and then trampled over, by the unremitting surge in player wages — but only Tottenham Hotspur and Liverpool booked a bigger surplus over those six years than United.
    Chris Weatherspoon, The Athletic, 18 Mar. 2025
Adjective
  • His comments came during an hourlong interview with conservative commentator Charlie Kirk, a loyal supporter of President Trump, in the governor’s new podcast.
    Kevinisha Walker, Los Angeles Times, 8 Mar. 2025
  • Meanwhile, militants loyal to Assad have killed a further 147 people – 26 civilians and 121 security forces – SNHR’s director Fadel Abdul Ghani said.
    Eyad Kourdi, CNN, 8 Mar. 2025
Adjective
  • This prevents dormant accounts with unlimited access from becoming potential security risks over a period of time, ensuring tighter control over permissions.
    Expert Panel®, Forbes, 11 Mar. 2025
  • The space is tight, and tall people should be aware, though Natalia said when doing a floor workout, taller people lay diagonally.
    Talia McWright, Twin Cities, 10 Mar. 2025
Adjective
  • False Hope And Fake Assurances Ransomware operators also exploit victims with false assurances, creating a deceptive sense of hope that there is a way to resolve the situation.
    Stu Sjouwerman, Forbes, 10 Mar. 2025
  • That’s the film’s greatest surprise, its secret deceptive pitch.
    Bilge Ebiri, Vulture, 7 Mar. 2025
Adjective
  • Parker Hall The Best Workout Headphones for Moving Around Constantly Rock your inner jock with a pair of sturdy, sweatproof, and tangle-proof headphones.
    Brad Bourque, WIRED, 15 Mar. 2025
  • The exterior is made from a sturdy and durable polycarbonate material that won’t easily wear and tear, even after longhaul travel.
    Megan Schaltegger, Travel + Leisure, 15 Mar. 2025
Adjective
  • In addition, short biographies of notable Black, Hispanic, and female veterans, as well as information on the lives of the Tuskegee Airmen are no longer accessible on the website.
    Preezy Brown, VIBE.com, 17 Mar. 2025
  • The experiment doesn’t quite work, since the short films are mainly just disruptive.
    Maximilíano Durón, ARTnews.com, 17 Mar. 2025
Adjective
  • Mackerel This protein-dense oily fish is ubiquitous in the Mediterranean and parts of the Atlantic and has a rich flavor, a buttery texture, and is quick to cook on the grill, in the oven, or in a pan.
    Alessandra Signorelli, Vogue, 11 Mar. 2025
  • While the sheer number of krill in the Southern Ocean means the species is unlikely to face an acute threat to its survival in the near term, Savoca is quick to point out that numbers are no guarantee of success.
    Gabe Castro-Root, Smithsonian Magazine, 11 Mar. 2025

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Cite this Entry

“Fast.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fast. Accessed 22 Mar. 2025.

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