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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Antonyms & Near Antonyms
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
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
Fearing extermination, members of the Yezidi sect fled to their ancestral fastness on Mount Sinjar.
—Timothy William Waters, Foreign Affairs, 29 Mar. 2016
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
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
Fearing extermination, members of the Yezidi sect fled to their ancestral fastness on Mount Sinjar.
—Timothy William Waters, Foreign Affairs, 29 Mar. 2016
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
-
Focus on speed without sacrificing quality or impact.—
Jodie Cook,
Forbes,
6 Mar. 2025
-
Add the egg whites: In the clean bowl of the electric mixer fitted with the whisk attachment, whip the egg whites and cream of tartar on medium speed until soft peaks form, 4-5 minutes.—
Peter Burke,
Fox News,
6 Mar. 2025
Noun
-
Poilievre, however, maintains a stronghold in the Prairies and Alberta, where Conservative support remains dominant.—
Ross Rosenfeld,
Newsweek,
26 Feb. 2025
-
Israel's military is also intensifying an offensive against a Palestinian militant stronghold in the occupied West Bank, deploying tanks there for the first time in more than two decades.—
Kat Lonsdorf,
NPR,
23 Feb. 2025
Noun
-
Last year, Lowe’s launched a loyalty program for DIY customers.—
Melissa Repko,
CNBC,
26 Feb. 2025
-
Especially important is implementing a loyalty program within your app (there are many successful ones to emulate across not only coffee but food service as a whole) where customers earn points for purchases and receive rewards like free products.—
Sergey Baburov,
Forbes,
26 Feb. 2025
Noun
-
As application intelligence evolves, agents are processing this data at higher velocity, with a heightened level of fidelity and managing new types of multi-modal inputs like text, images, voice, and sensor data.—
Andrew Davidson,
Forbes,
6 Mar. 2025
-
That was the velocity, in miles per hour, on 14 of Joe Boyle’s 20 fastballs.—
John Romano,
Orlando Sentinel,
3 Mar. 2025
Noun
-
This fortress comes as Buffett struggles to find his next big investment target.—
Fred Imbert,
CNBC,
22 Feb. 2025
-
Not even Martin Short’s lady friend and her fortress of Oscar statuettes are immune to the chaos Kate McKinnon’s paranormal sketches can unleash on your psyche.—
Devon Ivie,
Vulture,
16 Feb. 2025
Noun
-
The American must decide whether her allegiance can continue to lie with money and power.—
Rachel Raposas,
People.com,
6 Mar. 2025
-
Our justice system and many of those in federal service have been forced not to allegiance to the American public but allegiance to the whims of a budding dictator.—
Peter Buonome,
Hartford Courant,
5 Mar. 2025
Noun
-
Perhaps halfway up to the crest which forms the ramparts of the Mule Shoe was a jutting bastion of orange-colored rock.—
Frank C. Hibben,
Outdoor Life,
27 Feb. 2025
-
But despite housing the fest for four decades, Utah isn’t a bastion of free speech, with the state being one of the first to implement a statewide ban for more than a dozen books in libraries and classrooms.—
Mia Galuppo,
The Hollywood Reporter,
1 Feb. 2025
Noun
-
His relentless dedication paid off—Yehuda went on to compete in and judge some of the most prestigious barber battles, including Bronner Bros, America’s Beauty Show, and CT Barber Expo.—
Larry Stansbury,
Essence,
5 Mar. 2025
-
Her dedication to elevating Black voices in wine is truly inspiring.—
Noel Burgess,
Forbes,
4 Mar. 2025
Cite this Entry
“Fastness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fastness. Accessed 12 Mar. 2025.
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