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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of cast-iron
Reba's mama used a cast-iron skillet to make her cake.
—
Sarah Martens, Better Homes & Gardens, 8 May 2026
Its distinctive mansard roof, cast-iron details and granite columns reflected the optimism of the post-Civil War era, and stand out next to its neighboring neoclassical buildings.
—Rachel Treisman, NPR, 4 May 2026
For a large, thick cast-iron skillet, electric burners are terrible for evenly distributing heat and keeping oil hot.
—Jack Hennessy, Outdoor Life, 29 Apr. 2026
Heat a large cast-iron skillet over high heat.
—ABC News, 27 Apr. 2026
See All Example Sentences for cast-iron
Sarah Martens, Better Homes & Gardens, 8 May 2026
Its distinctive mansard roof, cast-iron details and granite columns reflected the optimism of the post-Civil War era, and stand out next to its neighboring neoclassical buildings.
—Rachel Treisman, NPR, 4 May 2026
For a large, thick cast-iron skillet, electric burners are terrible for evenly distributing heat and keeping oil hot.
—Jack Hennessy, Outdoor Life, 29 Apr. 2026
Heat a large cast-iron skillet over high heat.
—ABC News, 27 Apr. 2026
See All Example Sentences for cast-iron
Recent Examples of Synonyms for cast-iron
Adjective
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And Shuter is also reporting that Lively wanted a strict NDA during settlement negotiations, but the Baldoni camp refused.—
Lizzie Lanuza,
StyleCaster,
11 May 2026
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Baltimore residents support stricter penalties Parents who spoke to WJZ-TV supported stricter penalties.—
Drew Aunkst,
CBS News,
11 May 2026
Adjective
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Reintroduced as Aqua Lares in late 2025, the 254-footer is comfortable in the harshest of environments, with a sturdy ice-class hull that can power through practically anything.—
Rachel Cormack,
Robb Report,
15 May 2026
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Optimize the wall space by placing belts and bags on sturdy hooks.—
Yelena Moroz Alpert,
Architectural Digest,
15 May 2026
Adjective
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Students reportedly balanced rigorous courses and activities Many of the students took difficult classes such as AP Physics, AP Economics and multivariable calculus while also participating in clubs, sports and community organizations.—
Anthony Thompson,
USA Today,
15 May 2026
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The report goes on to say separate academies for immigrant and refugee students can deny them access to rigorous coursework and diverse elective options, and can hinder their academic process and social integration.—
Fort Worth Star-Telegram,
Fort Worth Star-Telegram,
15 May 2026
Adjective
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Other heuchera species and hardy hybrid plants offer a greater range of colors, although some are not as cold-hardy and are more sensitive to soil and sun conditions.—
Judy Nauseef,
Better Homes & Gardens,
11 May 2026
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As a hardy plant that can withstand cold temperatures and even frost, DePaola explains, asparagus also thrives in areas with cool winters and warm summers.—
SJ McShane,
Martha Stewart,
11 May 2026
Adjective
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Its organic shape offers a bit more structure than the traditional beanbag, without feeling rigid, while the quality leather construction feels sophisticated and high-end.—
Cori Sears,
Better Homes & Gardens,
12 May 2026
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Ana rinsed off the sponge, her shoulders rigid.—
Literary Hub,
Literary Hub,
12 May 2026
Adjective
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Lewis-Skelly and Calafiori continued to provide balance against Atletico three days later, and were also key components to Arsenal’s strong start against West Ham, alongside Leandro Trossard.—
Art de Roché,
New York Times,
13 May 2026
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The case that Ashton and Bradley heavily influenced each other is stronger, if also strained.—
Brian Seibert,
New Yorker,
13 May 2026
Adjective
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Use a deterrent such as a stout stick.—
Saman Shafiq,
USA Today,
13 May 2026
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Throw in another stout performance by the bullpen, which got one scoreless inning apiece from four relievers, and this team is threatening to run away with the NL East before the calendar turns to summer.—
ABC News,
ABC News,
13 May 2026
Cite this Entry
“Cast-iron.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cast-iron. Accessed 17 May. 2026.
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