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
Because no hard-and-fast medical test exists for ME/CFS, the condition is sometimes considered more of a psychological than physical ailment.
—
New Atlas, 25 July 2025
One hard-and-fast requirement for playability is at least 16GB of unified RAM.
—Andrew Cunningham, ArsTechnica, 16 July 2025
Elephant parents prefer to let children develop at their own pace, adapting to their needs over any hard-and-fast rules or strict routine.
—Anna Earl, Parents, 2 July 2025
This is not a hard-and-fast rule, which is good because teams bounce around that threshold daily this time of year.
—Eno Sarris, New York Times, 18 June 2025
See All Example Sentences for hard-and-fast
New Atlas, 25 July 2025
One hard-and-fast requirement for playability is at least 16GB of unified RAM.
—Andrew Cunningham, ArsTechnica, 16 July 2025
Elephant parents prefer to let children develop at their own pace, adapting to their needs over any hard-and-fast rules or strict routine.
—Anna Earl, Parents, 2 July 2025
This is not a hard-and-fast rule, which is good because teams bounce around that threshold daily this time of year.
—Eno Sarris, New York Times, 18 June 2025
See All Example Sentences for hard-and-fast
Recent Examples of Synonyms for hard-and-fast
Adjective
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In fact, while vision isn’t their strongest sense, dogs may even be able to see certain aspects of a TV show.—
Alyce Collins,
MSNBC Newsweek,
4 Oct. 2025
-
Providing fiber for digestion, there’s fresh broccoli along with antioxidants to help reduce the risk of certain cancers.—
Susan Selasky,
Freep.com,
4 Oct. 2025
Adjective
-
On the other hand, cooperative and validating communication can help when problems are minor or unchangeable.—
Mark Travers,
Forbes.com,
10 Sep. 2025
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The State Department suspended processing applications from Americans seeking to update their passports with a new gender marker in January, shortly after President Trump signed an executive order proclaiming the U.S. recognizes only two unchangeable sexes, male and female.—
Brooke Migdon,
The Hill,
5 Sep. 2025
Adjective
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The fossil chemicals in question are a special types of steranes, which are the geologically stable form of sterols, like cholesterol, that are found in the cell membranes of complex organisms.—
Maria Azzurra Volpe,
MSNBC Newsweek,
1 Oct. 2025
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Married Matt and Amber Barnett overcame a little bit of jealousy and a lot of credit card debt to cultivate a stable relationship.—
Randall Colburn,
Entertainment Weekly,
1 Oct. 2025
Adjective
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This dark energy, which Einstein labeled with the Greek letter lambda, has long been assumed to be unchanging and reliable through time.—
Rebecca Boyle,
Scientific American,
4 Oct. 2025
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Scientists have long assumed that dark energy is a constant, unchanging entity.—
Chris Young,
Interesting Engineering,
3 Oct. 2025
Adjective
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Tactically, the most notable feature of the final was how regularly the two goalkeepers found themselves in bizarre positions, rushing out to close down attackers in wide areas.—
Michael Cox,
New York Times,
5 Oct. 2025
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The largest came on the final play, as Texas couldn’t get back to the line of scrimmage in time to spike the ball and continue a possible game-tying drive.—
Noah White,
Miami Herald,
5 Oct. 2025
Adjective
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The Fed’s move will also lower interest rates on personal loans, so now might be the time for a debt consolidation loan, which would replace your existing card balance with a lower, fixed rate.—
Ryley Amond,Dan Avery,
CNBC,
17 Sep. 2025
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The snug drawstring closure and four fixed buckles that attach to each chair leg help keep the cover from blowing away in the wind while keeping dirt and debris out.—
Mariana Best,
Better Homes & Gardens,
14 Sep. 2025
Adjective
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Before referrals were halted, the effort that placed people at the Civic had already moved hard-to-reach homeless people from the street to a shelter space and, in many cases, then on to long-term housing and stability.—
Ashley Hiruko,
ProPublica,
6 Oct. 2025
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Whether the Jedi mind trick played a role Sunday is hard to quantify, but the message was obvious.—
Nick Kosmider,
New York Times,
6 Oct. 2025
Cite this Entry
“Hard-and-fast.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hard-and-fast. Accessed 9 Oct. 2025.
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