1
as in certain
having been established and usually not subject to change
hard-and-fast rules that governed the corporate environment in those days included strictures regarding office dress that were rigidly enforced
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in unchangeable
not capable of changing or being changed
hard-and-fast beliefs that are the rock-solid foundation of their religion
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
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Recent Examples of hard-and-fast
One hard-and-fast rule to live by in this case?
—
Stacia Datskovska, Footwear News, 26 Jan. 2026
But even in the absence of hard-and-fast rules and guardrails on how AI can be used in schools, education policymakers identified a number of ethical concerns raised by the technology’s spread, including student safety, data privacy and negative impacts on student learning.
—Janice Mak, The Conversation, 22 Jan. 2026
Don’t miss Mardi Gras King Cake There’s a hard-and-fast rule in New Orleans.
—Jenny Adams, AFAR Media, 30 Dec. 2025
This was my hard-and-fast belief — up until the trailer for The Sheep Detectives was released on December 18.
—Fran Hoepfner, Vulture, 18 Dec. 2025
See All Example Sentences for hard-and-fast
Stacia Datskovska, Footwear News, 26 Jan. 2026
But even in the absence of hard-and-fast rules and guardrails on how AI can be used in schools, education policymakers identified a number of ethical concerns raised by the technology’s spread, including student safety, data privacy and negative impacts on student learning.
—Janice Mak, The Conversation, 22 Jan. 2026
Don’t miss Mardi Gras King Cake There’s a hard-and-fast rule in New Orleans.
—Jenny Adams, AFAR Media, 30 Dec. 2025
This was my hard-and-fast belief — up until the trailer for The Sheep Detectives was released on December 18.
—Fran Hoepfner, Vulture, 18 Dec. 2025
See All Example Sentences for hard-and-fast
Recent Examples of Synonyms for hard-and-fast
Adjective
-
Only in a certain light was the dent visible.—
Weike Wang,
New Yorker,
17 May 2026
-
Barker said the scene, in its original cut, was significantly more intense, ultimately forcing him to pull back on certain elements in order to avoid the restrictive rating.—
Scott Shilstone,
Deadline,
16 May 2026
Adjective
-
Families can also create irrevocable trusts to remove countable assets towards Medicaid qualification, but remember, irrevocable trusts are usually unchangeable.—
Medora Lee,
USA Today,
9 May 2026
-
Policies Vary by Location As generous as Aldi’s approach can be, there are a few places where the rules are solid and unchangeable.—
Jessica Safavimehr,
Southern Living,
22 Apr. 2026
Adjective
-
Composers from more stable lands nursed their own fears.—
Alex Ross,
New Yorker,
18 May 2026
-
One victim suffered critical injuries but was in stable condition, while three others sustained non-life-threatening wounds.—
Greg Wehner,
FOXNews.com,
18 May 2026
Adjective
-
Through some creative circuitry, chip-scale EPR reverses this setup—using a simple magnet to create an unchanging field and sweeping through a band of oscillation frequencies.—
IEEE Spectrum,
IEEE Spectrum,
30 Apr. 2026
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The images are a clear demonstration of how Mars is far more geologically alive than our almost unchanging moon.—
Keith Cooper,
Space.com,
23 Apr. 2026
Adjective
-
In a final battle, the Darksaber is destroyed, Gideon and his clones are seemingly killed, and the newly united Mandalorians settle back on Mandalore.—
Brendan Morrow,
USA Today,
16 May 2026
-
Some see this as a way of making the World Cup final more accessible, leveraging it to a wider audience and taking the sport’s biggest moment to a higher level.—
Ben Church,
CNN Money,
15 May 2026
Adjective
-
Keeping a strict and fixed watering schedule.—
Ashley Chalmers,
The Spruce,
16 May 2026
-
Rita Rae is a heart transplant survivor and lives on a fixed income.—
Marvin Hurst,
CBS News,
9 May 2026
Adjective
-
The most common reasons cited for detransition were pressure from a parent, harassment or discrimination, and that transitioning was too hard.—
Jo Yurcaba,
NBC news,
16 May 2026
-
Incredibly forgettable and hard to get through.—
Jon Root OutKick,
FOXNews.com,
16 May 2026
Cite this Entry
“Hard-and-fast.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hard-and-fast. Accessed 18 May. 2026.
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