1
as in strict
not allowing for any exceptions or loosening of standards
lost weight only after a cast-iron adherence to his diet
Synonyms & Similar Words
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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
Preheat your pan Place a cast-iron or heavy stainless-steel skillet over medium-high heat until hot.
—
Li Goldstein, Bon Appetit Magazine, 14 Apr. 2026
Heat the oil in a large cast-iron or ovenproof skillet.
—Lynda Balslev, Mercury News, 14 Apr. 2026
The White House wants a cast-iron commitment that Iran won’t build a nuclear weapon.
—Nic Robertson, CNN Money, 12 Apr. 2026
On a Wednesday evening in April—winter’s chill still lingering in the night air—a cast-iron SoHo building, 101 Spring Street, was packed.
—Elise Taylor, Vanity Fair, 10 Apr. 2026
See All Example Sentences for cast-iron
Li Goldstein, Bon Appetit Magazine, 14 Apr. 2026
Heat the oil in a large cast-iron or ovenproof skillet.
—Lynda Balslev, Mercury News, 14 Apr. 2026
The White House wants a cast-iron commitment that Iran won’t build a nuclear weapon.
—Nic Robertson, CNN Money, 12 Apr. 2026
On a Wednesday evening in April—winter’s chill still lingering in the night air—a cast-iron SoHo building, 101 Spring Street, was packed.
—Elise Taylor, Vanity Fair, 10 Apr. 2026
See All Example Sentences for cast-iron
Recent Examples of Synonyms for cast-iron
Adjective
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The government, which is mediating the negotiations, has already imposed a strict security bubble ready for the arrival of Vice President JD Vance and the Iranian delegation.—
Will Clark,
NBC news,
20 Apr. 2026
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Donation is only considered after every life-saving effort has been exhausted and death has been declared according to strict medical and ethical standards.—
Dr. Hiroshi Sogawa,
Hartford Courant,
20 Apr. 2026
Adjective
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The team-captain label and All-American honors help, but the real selling points are Schrauth’s sturdy frame, strong hands and a physical style that works in tight quarters.—
Eddie Brown,
San Diego Union-Tribune,
25 Apr. 2026
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In an untitled work from 1995, a cluster of sturdy wagons sits at the edge of a frozen lake, a site where her family of peripatetic horse traders often camped.—
Ben Davis,
The New York Review of Books,
25 Apr. 2026
Adjective
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Experts who study such drugs welcomed rigorous, scientific scrutiny.—
Erika Edwards,
NBC news,
24 Apr. 2026
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His novels, especially the later ones, were rigorous, ecstatic immensities unlike anything that anticipated them.—
Becca Rothfeld,
New Yorker,
23 Apr. 2026
Adjective
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Garlic is a slow-growing and cold-hardy plant that’s usually planted in garden beds in autumn, long after the rest of the garden has been put to bed for the year.—
Lauren Landers,
Better Homes & Gardens,
21 Apr. 2026
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This idyllic Austin property, designed with Texas heat in mind, uses hardy, drought-tolerant plants and pea gravel to replace thirsty turf.—
Katherine Owen,
Southern Living,
20 Apr. 2026
Adjective
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So instead of one rigid interaction style, Alexa+ shifts its behavior depending on the task.—
Kurt Knutsson,
FOXNews.com,
21 Apr. 2026
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Currently, the standard electrodes used are often too rigid and bulky to capture clear data for surgeries.—
Mrigakshi Dixit,
Interesting Engineering,
21 Apr. 2026
Adjective
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Central bankers must be strong enough to listen to a diversity of views from all corners…humble enough to be open-minded to new ideas and new economic developments…wise enough to translate imperfect data into meaningful insight…and dedicated enough to make judgments faithfully and wisely.—
Eleanor Pringle,
Fortune,
21 Apr. 2026
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The project increases Georgia’s already strong presence in the growing defense industry.—
AJ Willingham,
AJC.com,
21 Apr. 2026
Adjective
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The short and stout table lamp is positively good enough to eat.—
Francesca Perry,
CNN Money,
24 Apr. 2026
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At just under 34 inches tall, this stout king can be freestanding but also fits neatly under counters, which are typically 35 to 40 inches high.—
Emily Saladino,
Bon Appetit Magazine,
17 Apr. 2026
Cite this Entry
“Cast-iron.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cast-iron. Accessed 26 Apr. 2026.
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