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

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
Buildup happens faster than many people realize, but keeping your shower clean doesn't have to be a constant chore. Gabi De La Rosa, Southern Living, 6 Nov. 2025 Kara Hurst Advertisement Kara Hurst, Amazon’s chief sustainability officer, spoke of the challenge of addressing climate change fast enough as communities around the world face the brunt of its impacts. Simmone Shah, Time, 6 Nov. 2025
Adjective
Troopers said in their report that Smithers at times was driving faster than 122 mph along a route where speed limits range from 45 to 55 mph. David Goodhue, Miami Herald, 5 Nov. 2025 Building new cities from scratch is the cleanest, fastest way to meet the scale of the problem. Zoltan Istvan, MSNBC Newsweek, 5 Nov. 2025
Noun
Playing fast doesn’t just mean getting a defensive rebound and pushing the ball quickly in transition. James L. Edwards Iii, New York Times, 25 Aug. 2025 Meanwhile, Muslims have long eaten its fruits to break the daily fast of Ramadan. Jacob Jones, JSTOR Daily, 13 Aug. 2025
Verb
Although the new commercial space ethos of building satellites fast and cheap has dominated Earth imaging from space for years, deep-space astronomy has so far been headed mostly in the opposite direction — trending toward more complex machines worth billions of dollars. Tereza Pultarova, Space.com, 17 Oct. 2025 Top marks in the cross country ski department went to Rossignol’s X-Ium Premium+ Skate SX, an expert-level classic ski that’s fun and fast enough to place on the podium. Outside Editors, Outside, 16 Oct. 2025 See All Example Sentences for fast
Recent Examples of Synonyms for fast
Adverb
  • That more than compensated for the absence of Dixon-Waters, who was SDSU’s leading scorer in both preseason exhibitions (19 and 17 points) after missing all of last season with a fractured bone in his foot that refused to heal quickly.
    Mark Zeigler, San Diego Union-Tribune, 5 Nov. 2025
  • The actual bracket will be created on December 7 and if this sport has taught us anything this season, things escalate quickly.
    Dana O’Neil, CNN Money, 5 Nov. 2025
Adverb
  • This new chink in the armor of dark energy resulted from Lee and colleagues from Yonsei University discovering that Type Ia supernova may not be quite so standard after all.
    Robert Lea, Space.com, 6 Nov. 2025
  • Which for a big break was quite old, really.
    KiMi Robinson, USA Today, 6 Nov. 2025
Adjective
  • Earthquakes' sudden, rapid shaking can cause fires, tsunamis, landslides or avalanches.
    CA Earthquake Bot, Sacbee.com, 6 Nov. 2025
  • Since Berman took the helm in 2022, professional women’s soccer has seen rapid growth.
    Jessica Golden, CNBC, 6 Nov. 2025
Adjective
  • Keystone ensures the Walkabout 26 Max exterior works as the most loyal of multi-adventure partners, starting with a huge pass-through front storage locker made possible by the drop frame.
    New Atlas, New Atlas, 4 Nov. 2025
  • In recent years, Bleed had continued recording and performing, maintaining a loyal fan base drawn to his signature mix of southern wisdom and lyrical realism.
    Preezy Brown, VIBE.com, 4 Nov. 2025
Adjective
  • As an example, Sopo said that in some majority-Hispanic Congressional districts in South Texas, conservative Latinos ran in races with historically tight margins of victory.
    Miami Herald, Miami Herald, 7 Nov. 2025
  • But Charlotte Republicans are now left wondering how supposed tight races ran away from them and what comes next for their beleaguered party.
    Charlotte Observer, Charlotte Observer, 7 Nov. 2025
Adjective
  • The lawsuit, filed in New York federal court on Tuesday, brings claims for deceptive practices and false advertising, among others.
    Winston Cho, HollywoodReporter, 5 Nov. 2025
  • The complaints allow the public to report unfair or deceptive business practices, according to the agency’s website, and can prompt investigations from the office.
    Nicole Blanchard, Idaho Statesman, 3 Nov. 2025
Adjective
  • Be sure to cover your head and neck with your arms, and crawl under a sturdy table if possible.
    CA Earthquake Bot, Sacbee.com, 11 Nov. 2025
  • Seek shelter in a sturdy structure until the storm has passed.
    NC Weather Bot, Charlotte Observer, 10 Nov. 2025
Adjective
  • Pierre was short, with a white beard and flamboyant wild hair.
    Literary Hub, Literary Hub, 7 Nov. 2025
  • These bacteria ferment or break down prebiotics, releasing compounds called short-chain fatty acids (SCFAs).
    Jillian Kubala, Health, 6 Nov. 2025

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Cite this Entry

“Fast.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fast. Accessed 11 Nov. 2025.

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