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
Synonyms & Similar Words
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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
-
The first two drogue chutes, also called drag chutes, are designed for high speeds and were deployed at approximately 18,000 feet while the craft traveled at nearly 350 miles per hour.—
Kevin Shalvey,
ABC News,
18 Mar. 2025
-
The 67-foot-long aircraft will be able to carry up to eight passengers, with an 800-nautical-mile range and a cruise speed of about 357 mph.—
Michael Verdon,
Robb Report,
18 Mar. 2025
Noun
-
They are armed with automatic weapons – largely smuggled from the United States – and move unhindered through the narrow, winding alleys of their neighborhood strongholds in Port-au-Prince, which national and multinational police forces are often unable to navigate in their bulky armored vehicles.—
Linnea Fehrm,
The Christian Science Monitor,
7 Mar. 2025
-
Around the fortress city of Pokrovsk, a key Ukrainian stronghold in eastern Ukraine, Russian assaults are down 80 percent compared to their recent peak in mid-January, according to Ukrainian analysis group DeepState.—
David Axe,
Forbes,
6 Mar. 2025
Noun
-
The vast sums of money that Abbott unleashed, along with his zero-sum assessment of political loyalty, has proved persuasive.—
Jonathan Blitzer,
The New Yorker,
10 Mar. 2025
-
The successful ones manage to create experiential spaces that become cultural and lifestyle phenomenons while also reinforcing brand appeal and loyalty.—
Clara Ludmir,
Forbes,
10 Mar. 2025
Noun
-
The exit velocity was 108.5 miles per hour, the launch angle 32 degrees.—
Phil Rogers,
Forbes,
17 Mar. 2025
-
The four-seamer has always been an average pitch with average velocity (93-94 MPH), but his value is in his offspeed pitches.—
Abbey Mastracco,
New York Daily News,
17 Mar. 2025
Noun
-
On clear days, that very body of water, and the white mountains beyond it, are part of the panoramic view from the terrace of Boone’s house, a sharp-angled, industrial-gray luxury fortress with towering windows atop a cliff 30 minutes south of Salt Lake City.—
Brian Hiatt,
Rolling Stone,
11 Mar. 2025
-
India have spent the last three weeks in Dubai and made the venue into a fortress.—
Tim Ellis,
Forbes,
9 Mar. 2025
Noun
-
All the while, her bluegrass and country allegiance is unmistakable.—
Jessica Nicholson,
Billboard,
17 Mar. 2025
-
Still, in the midst of Nigeria’s political fragility — marked by coups, violence, and widespread distrust among citizens who protested bad governance again last summer — Rema is being strategic about his allegiances.—
Mankaprr Conteh,
Rolling Stone,
14 Mar. 2025
Noun
-
When every day brings some new, head-spinning event on the world stage, when polarization seems to define our national discourse, now is a good time to stop and give thanks for the bastion of solace in the heart of New York City — Central Park.—
Betsy Smith,
New York Daily News,
17 Mar. 2025
-
Associated Press journalists saw a handful of tanks move Sunday into Jenin, long a bastion of armed struggle against Israel.—
Majdi Mohammed and Tia Goldenberg,
Los Angeles Times,
23 Feb. 2025
Noun
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Beyond her vocal talent, Summer’s dedication to refining her craft sets her apart.—
Heide Janssen,
Orange County Register,
16 Mar. 2025
-
Wolf and Vrabel both emphasized Spillane’s dedication, going from an undrafted free agent who had to try out to earn his spot with the Titans during rookie minicamp in 2018 to a player who has accumulated over 140 tackles in consecutive years.—
Doug Kyed,
Boston Herald,
13 Mar. 2025
Cite this Entry
“Fastness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fastness. Accessed 23 Mar. 2025.
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