cast-iron

adjective
\ ˈkast-ˈī(-ə)rn How to pronounce cast-iron (audio) \

Definition of cast-iron

 (Entry 1 of 2)

1 : made of cast iron
2 : resembling cast iron: such as
a : capable of withstanding great strain a cast-iron stomach
b : not admitting change, adaptation, or exception : rigid a cast-iron will
c British : not likely to fail or be broken : airtight "Clever idea, Black, getting yourself seen on a safe station platform … gave you a cast-iron excuse not to leave your hidey-hole in future, didn't it?"— J. K. Rowling

cast iron

noun

Definition of cast iron (Entry 2 of 2)

: a commercial alloy of iron, carbon, and silicon that is cast in a mold and is hard, brittle, nonmalleable, and incapable of being hammer-welded but more easily fusible than steel

Keep scrolling for more

Synonyms & Antonyms for cast-iron

Synonyms: Adjective

brassbound, exacting, hard-line, inflexible, rigid, rigorous, strict, stringent, uncompromising

Antonyms: Adjective

flexible, lax, loose, relaxed, slack

Visit the Thesaurus for More 

Examples of cast-iron in a Sentence

Noun

The fence is made of cast iron.

Recent Examples on the Web: Noun

One is shunning nonstick cookware in favor of cast iron or stainless steel, Trasande said. Ellen Knickmeyer, chicagotribune.com, "Hard to avoid PFAS: Nonstick, stain-resistant compounds are ‘everywhere’," 22 July 2019 One is shunning nonstick cookware in favor of cast iron or stainless steel, Trasande said. Washington Post, "What consumers can do as regulators weigh compounds’ risks," 20 July 2019 However, cast iron does have a reputation for being difficult to clean. Joseph Truini, Popular Mechanics, "How To Clean a Cast-Iron Pan," 3 June 2019 This dish can absolutely be done on the grill for your outdoor cooking pleasure, but the evenly flat surface of the short ribs lends itself to searing in a hot skillet (preferably cast iron), which gives you a deeply browned crust. Alison Roman, New York Times, "Short Ribs for Summer, Doused With Salsa," 15 July 2019 Try a pizza stone on the oven floor; start in a cast iron skillet on the stovetop and finish under the broiler; or slide the dough onto a hot grill. Leigh Belanger, BostonGlobe.com, "Recipe: It couldn’t be easier (or better) to grill pizza dough, then add zucchini slices and ricotta," 14 July 2019 One of the new menu items is a baked lasagna made in a cast iron with ricotta, parmesan and lemon. Samantha Incorvaia, azcentral, "Renovated Tempe Public Market Cafe reopening without co-owner and chef Aaron Chamberlin," 6 June 2019 Both are, however, vulnerable to chips or breaks if subjected to blunt force in unsupported areas—like, say, by dropping a cast iron skillet right on the corner of your counter—and both can stain. Hannah Morrill, ELLE Decor, "The Main Differences Between Quartz and Granite," 17 June 2019 For comparison, consider that cast iron melts at about 2,200 degrees Fahrenheit. Glenn Mcdonald, National Geographic, "From diamonds to rockets, mourning the dead has gotten high-tech," 17 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cast-iron.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of cast-iron

Adjective

1692, in the meaning defined at sense 1

Noun

1664, in the meaning defined above

Keep scrolling for more

Learn More about cast-iron

Statistics for cast-iron

Look-up Popularity

Time Traveler for cast-iron

The first known use of cast-iron was in 1664

See more words from the same year

Keep scrolling for more

More Definitions for cast-iron

cast-iron

adjective

English Language Learners Definition of cast-iron

 (Entry 1 of 2)

: made of cast iron
: very strong or tough
British : not likely to fail or be broken

cast iron

noun

English Language Learners Definition of cast iron (Entry 2 of 2)

: a very hard type of metal that is made into different shapes by being melted and poured into special containers (called casts or molds)

cast iron

noun

Kids Definition of cast iron

: a hard and brittle alloy of iron, carbon, and silicon shaped by being poured into a mold while melted

More from Merriam-Webster on cast-iron

Rhyming Dictionary: Words that rhyme with cast-iron

Thesaurus: All synonyms and antonyms for cast-iron

Comments on cast-iron

What made you want to look up cast-iron? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a period when something is suspended

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!