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
Synonyms & Similar Words
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
Synonyms & Similar Words
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
Synonyms & Similar Words
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
Synonyms & Similar Words
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
Synonyms & Similar Words
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
Synonyms & Similar Words
Antonyms & Near Antonyms
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
Synonyms & Similar Words
Antonyms & Near Antonyms
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
Synonyms & Similar Words
Antonyms & Near Antonyms
as in famine
Related Words
Dissimilar Words
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
Jared Perlo,
NBC news,
1 July 2026
When warehouses move goods more efficiently, stores may restock faster.
—
Kurt Knutsson,
FOXNews.com,
30 June 2026
ABC News,
6 July 2026
The Best Apple MacBook Deals MacBook Air (M5) Apple's latest MacBook Air remains our Editors' Choice pick for ultraportable laptops, thanks to even faster M5 processing, boosted SSD and capacity, and a quiet, fanless design.
—
Cierra Cowan,
PC Magazine,
6 July 2026
Judy L. Thomas,
Kansas City Star,
20 Apr. 2026
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
David Goldman,
CNN Money,
19 June 2026
In a 2,000-word research report published on the site, the authors said B2B marketing has undergone a structural transformation and warned of moving to fast to deploy AI.
—
Arthur Zaczkiewicz,
Footwear News,
16 June 2026
See All Example Sentences for fast
Adverb
The move to allow Fable 5 back online represents the latest step in the federal government’s fast-evolving approach to regulating AI capabilities.
—
Jared Perlo,
NBC news,
1 July 2026
When warehouses move goods more efficiently, stores may restock faster.
—
Kurt Knutsson,
FOXNews.com,
30 June 2026
Adjective
Pfendler, a Grand Canyon river rafting guide, became the first American woman and fastest person to successfully row solo across the mid-Pacific region, from California to Hawaii.
—
ABC News,
6 July 2026
The Best Apple MacBook Deals MacBook Air (M5) Apple's latest MacBook Air remains our Editors' Choice pick for ultraportable laptops, thanks to even faster M5 processing, boosted SSD and capacity, and a quiet, fanless design.
—
Cierra Cowan,
PC Magazine,
6 July 2026
Noun
The house church promoting the fast, Grandview Fellowship, has been meeting at the home of Clay and Sarah Edwards.
—
Judy L. Thomas,
Kansas City Star,
20 Apr. 2026
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
Verb
But reopening the strait this week may not get oil out of the Persian Gulf fast enough to prevent crude inventories from effectively running to empty.
—
David Goldman,
CNN Money,
19 June 2026
In a 2,000-word research report published on the site, the authors said B2B marketing has undergone a structural transformation and warned of moving to fast to deploy AI.
—
Arthur Zaczkiewicz,
Footwear News,
16 June 2026
See All Example Sentences for fast
Recent Examples of Synonyms for fast
Adverb
-
Many managers may be heading in one direction, and then have to quickly pivot due to changing policies or technological disruptions.
-
Things settled down quickly after that, though the brief dustup ended with Contreras, Boston interim manager Chad Tracy, Boston outfielder Nate Eaton and Mikolas being ejected.
Adverb
-
He's played with some incredible guards and centers throughout his 10-year career, but none quite like Maxey, Edgecombe and Embiid.
-
Princess Diana has long been the subject of exhibitions—but maybe never one quite like this.
Adjective
-
Earthquakes' sudden, rapid shaking can cause fires, tsunamis, landslides or avalanches.
-
At the heart of the clash is how to manage wild horse populations that can reproduce at a rapid clip.
Adjective
-
But the star has cultivated a loyal collective of her favorite brands, including Gucci, Louis Vuitton, Stella McCartney and Area (recall her famous Super Bowl jeans).
-
Acquirers should look for these kinds of recurring and diversified revenues, as well as assess whether the brand has a loyal community.
Adjective
-
In a massive joint operation, US Central Command – with tight coordination from US Strategic Command, US Space Command, and the US Space Force – used electromagnetic warfare to blank out a massive area over Iran.
-
In major competitions since Euro 1984 (including the UEFA Nations League), the contests have been tight affairs that have been decided by one goal or penalties.
Adjective
-
Shadow fleet vessels disguise their identity and purpose through a broad range of deceptive activities, including spoofing their locations and destinations.
-
The complaint alleged deceptive advertising and other misconduct.
Adjective
-
Be sure to cover your head and neck with your arms, and crawl under a sturdy table if possible.
-
For your safety, move to an interior room on the lowest floor of a sturdy building.
Adjective
-
One of the easiest make-ahead dishes is a stir-fry, and a short ingredient list adds to its appeal.
-
This short-sleeve tee is wrinkle-resistant and has a crew neckline.
Cite this Entry
“Fast.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fast. Accessed 7 Jul. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
