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
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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
-
One of the charming aspects of following foreign football is realising that certain concepts are expressed in different ways to how it’s done in your own country.—
Michael Cox,
New York Times,
6 Sep. 2025
-
Since 2012, certain players and games are forever etched in the memories of those who watched.—
Quentin Corpuel,
Kansas City Star,
6 Sep. 2025
Adjective
-
Many also treat their beliefs as a core and unchangeable aspect of their personality.—
Mark Travers,
Forbes.com,
22 Aug. 2025
-
On inauguration day in January, Trump declared through executive order that there are only two sexes, which are determined at conception and are unchangeable.—
Selena Simmons-Duffin,
NPR,
1 Aug. 2025
Adjective
-
Although season ticket prices have continued to rise, there is a sense the club has acted sensibly around them and the goodwill generated between the fans and KSE has remained stable.—
Dan Sheldon,
New York Times,
4 Sep. 2025
-
All of these efforts stemmed from the belief that democratic societies based on free markets would create politically stable and prosperous societies.—
Time,
Time,
3 Sep. 2025
Adjective
-
Attackers see these rigid, unchanging patterns as roadmaps.—
Forrester,
Forbes.com,
21 Aug. 2025
-
Putin’s goals are unchanging; his smile and his handshake are fleeting.—
Richard Stengel,
Time,
16 Aug. 2025
Adjective
-
After defeating the Twins, the Royals remained just a game behind the Seattle Mariners (74-68) for the third and final wild-card spot.—
Kansas City Star,
Kansas City Star,
7 Sep. 2025
-
The moratorium provision was ultimately stripped from the bill before final passage.—
Samantha-Jo Roth,
The Washington Examiner,
7 Sep. 2025
Adjective
-
Wobbling through space The Earth’s axis, which is an imaginary line running through the North and South Poles, is in constant motion, even though it is commonly depicted as a fixed line.—
Georgina Jedikovska,
Interesting Engineering,
4 Sep. 2025
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Many of the residents are low-wage workers, immigrant families with young children or elderly and disabled people on a fixed income.—
Lauren Costantino,
Miami Herald,
27 Aug. 2025
Adjective
-
One of the most important goals is creating a society where everyone can have the ability to succeed through education, hard work, and entrepreneurship.—
Kristen Edgreen Kaufman,
Forbes.com,
8 Sep. 2025
-
Developed by AeroVironment, the 20kW LOCUST Laser Weapon System (LWS) identifies, tracks, and engages a wide variety of targets with hard-kill high energy laser.—
Prabhat Ranjan Mishra,
Interesting Engineering,
8 Sep. 2025
Cite this Entry
“Hard-and-fast.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hard-and-fast. Accessed 8 Sep. 2025.
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