1
as in speed
a high rate of movement or performance
the amazing fastness with which the boy took his shower had us wondering if he'd used any water
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Antonyms & Near Antonyms
2
as in stronghold
a structure or place from which one can resist attack
the guerillas retreated to their network of hidden fastnesses deep within the mountains
Synonyms & Similar Words
3
as in loyalty
adherence to something to which one is bound by a pledge or duty
his uncompromising fastness to the cause of freedom was beyond question
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Example Sentences
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Recent Examples of fastness
The system ensures good wet-rubbing and dry-rubbing fastness and softness on all kinds of fabrics.
—
Angela Velasquez, Sourcing Journal, 30 Dec. 2024
The system ensures good wet-rubbing and dry-rubbing fastness and softness on all kinds of fabrics.
—Angela Velasquez, Sourcing Journal, 30 Dec. 2024
Tat-Fung’s Downtown collection of blue, black and gray fabrics outperform conventional denim in color fastness, according to Tim Huesemann, the mill’s sales director.
—Angela Velasquez, Sourcing Journal, 22 Oct. 2024
This advancement enables dyeing with Basic dyes, promising enhanced dye uptake and superior wash fastness compared to traditional Reactive dyes.
—Sj Studio, Sourcing Journal, 13 Sep. 2024
The Neutral Ground had cowboys (or Cow Boys), Indians, cavalry attacks and rescues, and secret woodland fastnesses known only to the canniest frontiersman.
—Ian Frazier, The New Yorker, 15 July 2024
The technology uses specific formaldehyde-free agents to enhance the dyeing process of raw garments, resulting in a bright and deep indigo color, improving wash and rubbing fastness, and increasing lightfastness and levelness.
—Andrea Onate, WWD, 12 June 2024
Branagh returns as Hercule Poirot, who has retired to a Venetian fastness.
—Anthony Lane, The New Yorker, 15 Sep. 2023
When using natural dyes, there tend to be issues with color fastness and shade consistency.
—Esha Chhabra, Forbes, 22 Feb. 2023
Angela Velasquez, Sourcing Journal, 30 Dec. 2024
The system ensures good wet-rubbing and dry-rubbing fastness and softness on all kinds of fabrics.
—Angela Velasquez, Sourcing Journal, 30 Dec. 2024
Tat-Fung’s Downtown collection of blue, black and gray fabrics outperform conventional denim in color fastness, according to Tim Huesemann, the mill’s sales director.
—Angela Velasquez, Sourcing Journal, 22 Oct. 2024
This advancement enables dyeing with Basic dyes, promising enhanced dye uptake and superior wash fastness compared to traditional Reactive dyes.
—Sj Studio, Sourcing Journal, 13 Sep. 2024
The Neutral Ground had cowboys (or Cow Boys), Indians, cavalry attacks and rescues, and secret woodland fastnesses known only to the canniest frontiersman.
—Ian Frazier, The New Yorker, 15 July 2024
The technology uses specific formaldehyde-free agents to enhance the dyeing process of raw garments, resulting in a bright and deep indigo color, improving wash and rubbing fastness, and increasing lightfastness and levelness.
—Andrea Onate, WWD, 12 June 2024
Branagh returns as Hercule Poirot, who has retired to a Venetian fastness.
—Anthony Lane, The New Yorker, 15 Sep. 2023
When using natural dyes, there tend to be issues with color fastness and shade consistency.
—Esha Chhabra, Forbes, 22 Feb. 2023
Recent Examples of Synonyms for fastness
Noun
-
No two giants share the same building speed (fastest, second fastest, third fastest, slowest) or the same problem.—
Erik Kain,
Forbes.com,
10 Apr. 2025
-
Moreover, working the long head emphasizes the eccentric portion of a move—the part when the muscle is lengthening under load—which is a more effective way to improve strength, power, and speed performance compared to traditional resistance training, according to research.—
Jenny McCoy,
SELF,
9 Apr. 2025
Noun
-
Introduced through mosquitoes that first reached the island in the 1800s, climate change has now ushered these deadly vessels of destruction into the bird’s last stronghold.—
Scott Travers,
Forbes.com,
17 Apr. 2025
-
What To Know The Houthis say the U.S. military campaign, aimed at their stronghold in Sana'a and other parts of Yemen, has not deterred their military capacities and attacks.—
Arick Wierson,
MSNBC Newsweek,
16 Apr. 2025
Noun
-
Strong connections drive loyalty, turning readers into advocates.—
Expert Panel®,
Forbes.com,
14 Apr. 2025
-
The sitting President, elected on an explicit platform of revenge against his political enemies, entered office by instituting loyalty tests, banning words, purging civil servants, and installing an F.B.I. director who made his name promising to punish his boss’s critics.—
Julia Angwin,
New Yorker,
12 Apr. 2025
Noun
-
At low heights, though, the water’s velocity was too slow to effectively move through the coffee bed.—
Sara Hashemi,
Smithsonian Magazine,
9 Apr. 2025
-
Ben Rice’s average exit velocity Many Yankees fans were clamoring for the return of Anthony Rizzo last season while Rice posted a .171 batting average with 48 strikeouts in 152 at-bats.—
Chris Kirschner,
New York Times,
8 Apr. 2025
Noun
-
This means turning Ukraine into a defensive fortress with German arms and money.—
David McWilliams,
Time,
9 Apr. 2025
-
But the Romans eventually built up Vindobona into a full-scale military fortress—and perhaps this first-century battle was the catalyst.—
Sarah Kuta,
Smithsonian Magazine,
8 Apr. 2025
Noun
-
The Spaniard made the move after winning the 2023 Masters, which changed his thinking about switching allegiances.—
Kurt Badenhausen,
Sportico.com,
9 Apr. 2025
-
Across the nation more and more Hispanic—and to some extent Black voters—are switching allegiance the Republicans.—
Newsweek Staff,
MSNBC Newsweek,
4 Apr. 2025
Noun
-
In recent years, Gov. Ron DeSantis has helped install political allies at the helm of public colleges and universities in an effort to remake Florida’ higher-education into a bastion of conservatism.—
Ana Ceballos,
Miami Herald,
9 Apr. 2025
-
In Singapore, an ultra-connected free trade bastion known for treading a cautious diplomatic line, Prime Minister Lawrence Wong pulled few punches in a message to his fellow citizens over the weekend.—
Simone McCarthy,
CNN Money,
7 Apr. 2025
Noun
-
That demands real action, dedication, and daily commitment.—
Hilary Tetenbaum,
USA Today,
9 Apr. 2025
-
His father, an attorney of Irish immigrant descent, worked tirelessly while his mother managed their household of six children with the same dedication.—
Omaid Homayun,
Forbes.com,
9 Apr. 2025
Cite this Entry
“Fastness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fastness. Accessed 24 Apr. 2025.
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