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
-
Ticket Holders are only permitted to bring certain types of bags into stadiums.—
Michelle Kaufman,
Miami Herald,
14 June 2026
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Drone operations are prohibited within a 1-nautical-mile radius and up to 1,000 feet above ground level at certain fan events, including at the LA Memorial Coliseum in June, according to FAA’s news release about the restrictions.—
Queenie Wong,
Los Angeles Times,
14 June 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
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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
-
One of the individuals was listed in temporary serious condition on Sunday, while the other was in stable condition.—
Nick Lentz,
CBS News,
15 June 2026
-
At a time when fossil fuel markets are driving price volatility and burdening families with higher utility bills, wind energy offers a stable, domestic source of power that is not subject to the unpredictable swings of gas prices.—
Julianna Larue,
Hartford Courant,
14 June 2026
Adjective
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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
-
That reality of North Korea is unchanging.—
Arthur I. Cyr,
Chicago Tribune,
10 June 2026
Adjective
-
Led by a barrage of buckets from Williams and Salaün, the Valkyries took a 66-53 lead going into the final 10 minutes.—
Nathan Canilao,
Mercury News,
13 June 2026
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Wait for 30 minutes after the final lightning or thunder before heading outside again.—
NC Weather Bot,
Charlotte Observer,
13 June 2026
Adjective
-
The Unaware Performer delivers, but within a fixed range.—
Mustafa Abdelmonem,
Forbes.com,
11 June 2026
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That makes any potential threat to those payments particularly concerning, and that's especially true for retirees who are struggling to keep up with rising costs and debt obligations on a fixed income.—
Angelica Leicht,
CBS News,
10 June 2026
Adjective
-
All these years, the stigma stuck no matter how hard the family fought to change the narrative.—
Yumi Asada,
CNN Money,
13 June 2026
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In lieu of hard liquor, the winner of each round got a blast from a Champagne squirt gun into their mouth.—
Danielle Dorsey,
Los Angeles Times,
12 June 2026
Cite this Entry
“Hard-and-fast.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hard-and-fast. Accessed 16 Jun. 2026.
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