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
Like the pressing, the hard work mentality and fastness of transition for example.
—
Andy Jones, New York Times, 29 May 2025
Editors and contributors compare dozens of sets and look for qualities such as softness, durability, breathability, color fastness, and how well the linens launder and withstand wear.
—Yelena Moroz Alpert, Architectural Digest, 16 May 2025
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
Andy Jones, New York Times, 29 May 2025
Editors and contributors compare dozens of sets and look for qualities such as softness, durability, breathability, color fastness, and how well the linens launder and withstand wear.
—Yelena Moroz Alpert, Architectural Digest, 16 May 2025
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
Recent Examples of Synonyms for fastness
Noun
-
At least that deficiency is mostly due to a shortfall in the least impactful area, grounders, where his 88.5 mph average exit speed allowed is over a full standard deviation worse than league average.—
Tony Blengino,
Forbes.com,
10 June 2025
-
The controller's full-color display keeps you updated on your speed, battery and depth at all times.—
Kurt Knutsson,
FOXNews.com,
9 June 2025
Noun
-
What followed D-Day? Despite securing a stronghold on the French coast on D-Day, the Allied forces faced the risk that German bombardment could push them back into the sea.—
Catherine Nicholls,
CNN Money,
5 June 2025
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And in an opposition stronghold, some ignored the boycott calls, saying that voting is their civic duty, while others saw the election as a chance to keep their local government under opposition control.—
Regina Garcia Cano,
Los Angeles Times,
25 May 2025
Noun
-
This strategic alignment, with a focus on a seamless customer experience, fuels revenue growth, strengthens customer loyalty, cuts churn and positions the business for success.—
Julie Thomas,
Forbes.com,
2 June 2025
-
This kind of fierce loyalty has been crucial to Dropout’s growth.—
Jesse David Fox,
Vulture,
2 June 2025
Noun
-
For founders, this shift will favor adaptation, velocity, embracing change and harnessing AI agents to replicate the work of entire departments.—
Alexander Fred-Ojala,
Forbes.com,
9 June 2025
-
Ober also struggled with diminished velocity in spring training, attributing it to his mechanics being out of whack, an especially big challenge for the 6-foot-9 right-hander.—
Aaron Gleeman,
New York Times,
7 June 2025
Noun
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Its rich Moorish past has left behind landmarks like the Alcazaba, one of the largest Islamic fortresses in Spain.—
Carlsen Jes,
Travel + Leisure,
1 June 2025
-
Spoiled views: Residents of a medieval fortress town in Greece are feuding over a plan to build a cable car to the peak, where a beautiful 12th-century church sits.—
Justin Porter,
New York Times,
28 May 2025
Noun
-
With the streets of The Chi in turmoil, Reg’s comeback sets the stage for high-stakes drama and shifting allegiances.—
Preezy Brown,
VIBE.com,
2 June 2025
-
Harvard’s dishonest expert on honesty is a poignant symbol of a far larger problem in academia: ideological allegiance replacing the quest for truth.—
Andrew Follett,
National Review,
31 May 2025
Noun
-
That’s a fair point, although the conservative City Council—known for its headline-grabbing MAGA antics—is hardly a bastion of apolitical governance.—
The Editorial Board,
Oc Register,
29 May 2025
-
The industry’s resolve is very much to its credit, confirmation of its status as a bastion of liberal opinion in which reactionary sentiment, though doubtless lurking, is generally considered gauche.—
Ian Volner,
Artforum,
28 May 2025
Noun
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The scholarships are awarded to student caddies who demonstrate academic excellence, financial need, dedication on the golf course and exemplary character.—
Jad El Reda,
Los Angeles Times,
28 May 2025
-
The guide is in line with the Space System Protection Standard, which summarizes NASA's continuous dedication to supporting the creation of exact cybersecurity standards for its space systems.—
Chuck Brooks,
Forbes.com,
28 May 2025
Cite this Entry
“Fastness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fastness. Accessed 15 Jun. 2025.
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