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
There are no hard-and-fast rules for replacing a mattress.
—
Sharon Brandwein, USA Today, 3 Apr. 2026
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
See All Example Sentences for hard-and-fast
Sharon Brandwein, USA Today, 3 Apr. 2026
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
See All Example Sentences for hard-and-fast
Recent Examples of Synonyms for hard-and-fast
Adjective
-
Under the scheme, Parsi families who earn below a certain threshold can receive financial assistance for fertility treatment and childcare.—
Rhea Mogul,
CNN Money,
21 June 2026
-
At the same time, Congress did not affirmatively authorize the war with a use of force resolution, as has been done in certain other conflicts, including the Iraq War.—
Lisa Mascaro,
Fortune,
20 June 2026
Adjective
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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
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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
-
He was taken to a local hospital in stable condition.—
Jenna DeAngelis,
CBS News,
22 June 2026
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The injured girl's mother is believed to have jumped from a second-floor window to safety and is in stable condition, the PFD confirmed to CBS News.—
Escher Walcott,
PEOPLE,
21 June 2026
Adjective
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Much has changed, but Europeans remain appreciative of the simple and unchanging rhythms of the natural world, including the coming and passing of the season’s longest day.—
Thomas A. DuBois,
The Conversation,
17 June 2026
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The broad themes of Navy Blue’s music—depression, trauma, resilience, joy—are not static, unchanging experiences.—
Dash Lewis,
Pitchfork,
10 June 2026
Adjective
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Soufiane Rahimi turned aside one final Scotland corner in the closing seconds to secure the win for Morocco.—
Zack Cox,
Boston Herald,
20 June 2026
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Business interests, including the chamber, Meta, Chevron and PG&E, collectively contributed more than $52 million toward electing Becerra and opposing Tom Steyer, his top Democratic rival in the final weeks of the primary.—
Ben Paviour,
Sacbee.com,
20 June 2026
Adjective
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Such as the single parent working two jobs to make ends meet, the senior on a fixed income, the recent graduate struggling to afford housing and healthcare.—
Matt Martin,
Chicago Tribune,
19 June 2026
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Alphabet went the other way and issued stock, which dilutes existing shareholders but adds no fixed interest bill to meet whether or not the AI bet pays off.—
Dara-Abasi Ita,
Forbes.com,
18 June 2026
Adjective
-
The Atlas Lions also frustrated their Scottish foes with their physicality, taking down Christie, McTominay and others with a series of hard challenges that did not draw whistles.—
Zack Cox,
Boston Herald,
20 June 2026
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The Cardinals had rallied for three runs in the ninth, and Jose Fermin hit a hard grounder to Tolbert’s left.—
Blair Kerkhoff,
Kansas City Star,
20 June 2026
Cite this Entry
“Hard-and-fast.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hard-and-fast. Accessed 22 Jun. 2026.
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