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
-
While Golden is just 5-foot-11, 191 pounds, speed certainly kills.—
Rob Reischel,
Forbes.com,
4 May 2025
-
According to satellite expert Marco Langbroek, the impact speed of the probe, which measures about 3.2 feet across, might be around 150 miles per hour.—
Toria Sheffield,
People.com,
3 May 2025
Noun
-
The army has continued air strikes in the Darfur region, the RSF’s stronghold.—
Reuters,
CNN Money,
6 May 2025
-
These strip malls were a way for residents to create a stronghold in their communities, with restaurants, markets and other businesses that catered to an Asian clientele.—
Jenn Harris,
Los Angeles Times,
5 May 2025
Noun
-
Members of the Dunkin' Rewards loyalty program can get a 10-count Munchkins order for $2 through May 15.—
Mike Snider,
USA Today,
10 May 2025
-
Unlike President Donald Trump who seems to have the hardest time developing the finessed ways of a seasoned politician, Pritzker became a fast learner of how to overtly and covertly use his riches to buy loyalty or crush those who stand in his way.—
Chicago Tribune,
Chicago Tribune,
9 May 2025
Noun
-
The Dodgers deal did not include the option to refuse a minor-league assignment; the 26-year-old was sent down to the minors shortly before Opening Day as the Dodgers took him through a complete swing overhaul to adjust to the advanced velocities stateside.—
Fabian Ardaya,
New York Times,
3 May 2025
-
None of Arizona’s three hits against Stanek on Wednesday had an exit velocity above 85.3 mph.—
Peter Sblendorio,
New York Daily News,
1 May 2025
Noun
-
The Castillo de San Sebastián, a crumbling 18th-century fortress at the end of a long causeway in Cádiz, Spain, was locked behind an iron gate.—
Christopher Bagley,
Travel + Leisure,
11 May 2025
-
Meanwhile, the road appears to connect a fortress gate to the center of the site.—
Sonja Anderson,
Smithsonian Magazine,
9 May 2025
Noun
-
Some of the city’s elites shifted allegiance to a Ukraine divorced from Russia – a trend Dr. Honcharuk says accelerated with the 2022 invasion.—
Howard LaFranchi,
Christian Science Monitor,
29 Apr. 2025
-
Votes, many acknowledge, are often driven by professional allegiance.—
Clayton Davis,
Variety,
29 Apr. 2025
Noun
-
Even so, a 2022 study from the Royal Astronomical Society showed that artificial light was polluting the skies over most observatories, while suggesting that immediate action would be needed to safeguard these scientific bastions.—
Anthony Wood,
Space.com,
26 Apr. 2025
-
On the science side, the project’s first test was the sloping hillside site—how to avoid the house appearing like a monumental concrete bastion.—
Nielsen Dinwoodie,
Forbes.com,
15 Apr. 2025
Noun
-
Initially introduced in the 1980s in service of building a superior urban running shoe, the color continues to embody New Balance’s staunch dedication to craft, quality, and fearless independence, in every field.—
Robyn Mowatt,
Essence,
3 May 2025
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This type of long-term thinking and governmental dedication is the type of action that sets up Estonia for decades of success.—
Mark Minevich,
Forbes.com,
3 May 2025
Cite this Entry
“Fastness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fastness. Accessed 19 May. 2025.
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