1
as in strict
not allowing for any exceptions or loosening of standards
lost weight only after a cast-iron adherence to his diet
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Antonyms & Near Antonyms
2
as in sturdy
able to withstand hardship, strain, or exposure
he has a cast-iron faith in his innate ability to overcome any adversity that life might throw against him
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of cast-iron
Pour 1 cup of the marinara sauce into bottom of baking dish or cast-iron pan.
—
Robin Miller, AZCentral.com, 22 Jan. 2026
Officials confirmed the main that ruptured was an 8-inch cast-iron water main installed in 1925.
—Adam Harrington, CBS News, 22 Jan. 2026
Cook With Cast Iron Cookware Try cooking with cast-iron pans.
—Jillian Kubala, Health, 21 Jan. 2026
All-Clad 12-Inch Enameled Cast Iron Skillet for $60 ($120 off)
Home and Cook Sales
The exact reasoning for this being a Factory Seconds item isn't listed, but a good cast-iron skillet is indispensable for every home chef.
—Louryn Strampe, Wired News, 20 Jan. 2026
See All Example Sentences for cast-iron
Robin Miller, AZCentral.com, 22 Jan. 2026
Officials confirmed the main that ruptured was an 8-inch cast-iron water main installed in 1925.
—Adam Harrington, CBS News, 22 Jan. 2026
Cook With Cast Iron Cookware Try cooking with cast-iron pans.
—Jillian Kubala, Health, 21 Jan. 2026
All-Clad 12-Inch Enameled Cast Iron Skillet for $60 ($120 off)
Home and Cook Sales
The exact reasoning for this being a Factory Seconds item isn't listed, but a good cast-iron skillet is indispensable for every home chef.
—Louryn Strampe, Wired News, 20 Jan. 2026
See All Example Sentences for cast-iron
Recent Examples of Synonyms for cast-iron
Adjective
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The Bhumjaithai party leader is staunch royalist who is firmly against any amendments to lese majeste, Thailand’s strict royal defamation law.—
Helen Regan,
CNN Money,
17 Feb. 2026
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But strict donation rules required anonymity between donor and recipient for at least one to two years, meaning Kaedi Cecala could only wonder about the stranger who had just saved her life.—
Shafiq Najib,
ABC News,
16 Feb. 2026
Adjective
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Better Homes & Gardens Ezra Outdoor Adirondack Chair There are few chairs more classic and durable than an Adirondack chair, and this under-$200 sturdy option is one to add to your front porch, deck, or backyard.—
Carly Totten,
Better Homes & Gardens,
20 Feb. 2026
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One of the world’s sturdiest planes, a C-130, was on standby at Rawalpindi air base to ferry the body to the man’s village.—
Literary Hub,
Literary Hub,
20 Feb. 2026
Adjective
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Steele learned early how to manage time with precision, often creating music during the narrow windows left between rigorous academic commitments.—
Maria Williams,
USA Today,
20 Feb. 2026
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Regarding the involvement of former CEOs in institutional decision-making, Molinaroli notes that their practical insights could be tapped more frequently through diverse councils, clear mandates, and rigorous conflict-of-interest safeguards to prevent undue influence.—
Nia Bowers,
Ascend Agency,
20 Feb. 2026
Adjective
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After years of drought in the Everglades, the ecosystem’s population of the only type of apple snail native to Florida failed to recover, pushing the birds to rely on hardier, non-native species.—
Sofia Baltodano,
Miami Herald,
17 Feb. 2026
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While there will always be new cleaning gadgets and solutions to try, sometimes the best thing to do is shop your local thrift store for some good, hardy basics.—
Alexandra Kelly,
Martha Stewart,
17 Feb. 2026
Adjective
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Clinical care often relies on matching a patient’s symptoms against rigid protocols—an environment ideal for automation.—
Hilke Schellmann,
Scientific American,
17 Feb. 2026
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It is composed of images revealing impactful events which, in themselves, are rigid blocks of courage for those who film and those who are filmed.—
Matthew Carey,
Deadline,
17 Feb. 2026
Adjective
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The sport, therefore, has a strong relationship with the military, with troops in such environments regularly skinning up mountains before skiing back down.—
Ben Church,
CNN Money,
18 Feb. 2026
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Officers reportedly detected a strong odor of alcohol emanating from the driver, later identified as Lisboa.—
Rick Sobey,
Boston Herald,
18 Feb. 2026
Adjective
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Gabriel Vaughn is what the river community would call a stout boater.—
Outside,
Outside,
20 Feb. 2026
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Some centers, like Brook Lopez at his peak with the Milwaukee Bucks or Ivica Zubac before his trade from the LA Clippers, tend to do their work quietly with stout positional defense in drop coverage and strong verticality while taking up an immense amount of space.—
Sam Vecenie,
New York Times,
19 Feb. 2026
Cite this Entry
“Cast-iron.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cast-iron. Accessed 21 Feb. 2026.
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