1
as in quickly
with great speed
run as fast as you can to get help
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in quite
to a full extent or degree
everyone in camp was fast asleep within minutes of hitting the sack
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Antonyms & Near Antonyms
1
as in rapid
moving, proceeding, or acting with great speed
the fast pace of construction resulted in our new house being done ahead of schedule
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Antonyms & Near Antonyms
2
as in loyal
firm in one's allegiance to someone or something
the two girls soon became fast and inseparable friends
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Antonyms & Near Antonyms
3
as in tight
firmly positioned in place and difficult to dislodge
the rusty, old screws are so fast in the fitting that there's no hope of getting them out
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Antonyms & Near Antonyms
4
as in deceptive
given to or marked by cheating and deception
rolling back odometers was just one of the fast practices that the used-car dealer was guilty of
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Antonyms & Near Antonyms
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
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6
as in short
not lasting for a considerable time
after a fast explanation of the procedure, we were turned loose to do the work
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7
as in quick
having or showing quickness of mind
I don't know how to operate this machine, but I'm a fast learner
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as in famine
Related Words
Dissimilar Words
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
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Recent Examples of fast
Samantha Agate,
Kansas City Star,
24 June 2026
And a fast-growing optimization crowd treats testing as one more lever to pull for better energy, mood, weight and even longevity.
—
Ryan Brennan,
Miami Herald,
24 June 2026
Seija Rankin,
HollywoodReporter,
29 June 2026
These strategies include quicker processing turnarounds for contracts with behavioral health organizations and job recruitment, preventative infrastructure maintenance and faster deliveries of social services.
—
Chase Hunter,
Mercury News,
29 June 2026
ABC News,
13 Apr. 2026
The fast can also continue into Easter Vigil, which takes place on Holy Saturday night.
—
Mariyam Muhammad,
Cincinnati Enquirer,
1 Apr. 2026
Sasha Rogelberg,
Fortune,
12 June 2026
There is also an emerging industry for using drones to deliver packages – everything from transplant organs to fast food meals.
—
Agamemnon Crassidis,
The Conversation,
11 June 2026
See All Example Sentences for fast
Adverb
For best results, the outlet recommends taking gummies about 30 to 60 minutes before workouts and pairing them with a small source of fast-acting carbs like fruit juice to boost uptake.
—
Samantha Agate,
Kansas City Star,
24 June 2026
And a fast-growing optimization crowd treats testing as one more lever to pull for better energy, mood, weight and even longevity.
—
Ryan Brennan,
Miami Herald,
24 June 2026
Adjective
Elle will run for at least two seasons — Prime Video handed down a lightning fast renewal, and the cast has already completed filming on the second season — and, Raphael hopes, even more.
—
Seija Rankin,
HollywoodReporter,
29 June 2026
These strategies include quicker processing turnarounds for contracts with behavioral health organizations and job recruitment, preventative infrastructure maintenance and faster deliveries of social services.
—
Chase Hunter,
Mercury News,
29 June 2026
Noun
Gathered in small groups on the sidewalk, congregants ate small bites to break the fast before going home to rest.
—
ABC News,
13 Apr. 2026
The fast can also continue into Easter Vigil, which takes place on Holy Saturday night.
—
Mariyam Muhammad,
Cincinnati Enquirer,
1 Apr. 2026
Verb
Though Musk anticipates widespread automation in the next decade or two, economists are skeptical about how pervasive and fast these labor and policy shifts will be.
—
Sasha Rogelberg,
Fortune,
12 June 2026
There is also an emerging industry for using drones to deliver packages – everything from transplant organs to fast food meals.
—
Agamemnon Crassidis,
The Conversation,
11 June 2026
See All Example Sentences for fast
Recent Examples of Synonyms for fast
Adverb
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An informant for the FBI quickly identified members of the Ku Klux Klan as her killers.
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With all that experience continuing into high school, Anderson quickly emerged as a top prospect.
Adverb
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Ament didn’t quite reach his offensive potential at Tennessee, but this is not dissimilar to the gamble the Bucks once took on a young Antetokounmpo.
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But the Clippers have shaken up their team quite a bit in the last few months and are a team worth watching this week.
Adjective
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Earthquakes' sudden, rapid shaking can cause fires, tsunamis, landslides or avalanches.
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Improvements in blood tests, meanwhile, dovetail with rapid developments in treatments for various cancers, making the disease ever more survivable or even curable.
Adjective
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In the months after Assad’s fall in Syria, there were several eruptions of violence between groups loyal and opposed to al-Sharaa that spiraled into sectarian revenge attacks, in which Sunni Islamist fighters affiliated with the new government carried out attacks on Alawite and Druze civilians.
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Why, after all, did the feudal lords of the South, loyal to Church and throne, throw off the royal yoke to join the Revolution?
Adjective
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With life spent largely on transit, navigating tight layovers, and using their days off to jet-set across the globe, flight attendants have mastered the art of packing.
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Polls overall anticipate a tight race, including a June 19 survey by the news site Zeteo showing DeGette trailing Kiros 41% to 36%.
Adjective
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Despite criticism over opaque and deceptive practices, prediction markets’ election favorites won most of the time, a Washington Post analysis found; more liquid in betting markets improves their accuracy, economists told CNN, but could carry negative social costs.
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This is the essence of GPS spoofing, in which an attacker floods a GPS receiver with deceptive signals.
Adjective
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Be sure to cover your head and neck with your arms, and crawl under a sturdy table if possible.
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While linen and silk are light and airy, some occasions call for a sturdier yet equally breathable option.
Adjective
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There will be two 15-minute periods of extra time if the match ends in a draw, with a short break in between.
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If stress builds, schedule a short stretch break and set softer deadlines where possible, because kindness to your body supports reliable output.
Cite this Entry
“Fast.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fast. Accessed 30 Jun. 2026.
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