Cast-iron — Meaning, Definition & Synonyms

adjective /ˈkast-ˈī(-ə)rn/

Meaning & Definition of Cast-iron

Cast-iron (adjective)

  1. made of cast iron
  2. resembling cast iron
  3. capable of withstanding great strain

Cast-iron (adjective) — Senses, Synonyms & Antonyms

  1. not allowing for any exceptions or loosening of standards

    "lost weight only after a cast-iron adherence to his diet"

    similar: brassbound, exacting, hard-line, inflexible, rigid, rigorous, strict, stringent, uncompromising
    related: close, conscientious, exact, fussy, meticulous, painstaking, punctilious, scrupulous, undeviating, adamant, adamantine, determined, dogged, firm, relentless, resolved, single-minded, steadfast, stubborn, tenacious, unbending, unflinching, immovable, implacable, unappeasable, unrelenting, unsparing, unyielding, austere, demanding, flinty, grim, hard, hardened, hard-hearted, harsh, ironbound, severe, stern, tough
    opposite: flexible, lax, loose, relaxed, slack
    near: acquiescent, compliant, compromising, pliable, pliant, relenting, yielding, easy, easygoing, gentle, indulgent, kindly, lenient, merciful, mild, pampering, soft, spoiling, tolerant, neglectful, negligent, remiss, slipshod, sloppy, slovenly, unfussy

  2. 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"

    similar: hard, hard-bitten, hardened, hardy, inured, rugged, stout, strong, sturdy, tough, toughened, vigorous
    related: flinty, leathery, resilient, stalwart, durable, enduring, everlasting, immortal, imperishable, lasting, permanent, stable, staunch, staying, tenacious, unyielding, flourishing, prospering, thriving, able-bodied, brawny, muscular, fit, fortified, hale, healthy, husky, lusty, red-blooded, robust, sound, strapping, virile, annealed, seasoned, tempered
    opposite: delicate, nonhardy, soft, tender, weak
    near: emasculated, enervated, enfeebled, exhausted, run-down, sapped, wasted, weakened, worn, worn-out, crippled, debilitated, diseased, incapacitated, infirm, unsound, fragile, frail, puny, resistless, sensitive, susceptible, unresistant, vulnerable, yielding, mortal, perishable, temporary, transient

Synonyms, Thesaurus & Another Word for Cast-iron

The most common words with a similar meaning to Cast-iron:

brassbound, exacting, hard-line, inflexible, rigid, rigorous, strict, stringent, uncompromising, hard, hard-bitten, hardened, hardy, inured, rugged, stout, strong, sturdy, tough, toughened, vigorous

Antonyms & Opposite Words for Cast-iron

Words with the opposite meaning of Cast-iron:

flexible, lax, loose, relaxed, slack, delicate, nonhardy, soft, tender, weak

Related Words for Cast-iron

close, conscientious, exact, fussy, meticulous, painstaking, punctilious, scrupulous, undeviating, adamant, adamantine, determined, dogged, firm, relentless, resolved, single-minded, steadfast, stubborn, tenacious, unbending, unflinching, immovable, implacable, unappeasable, unrelenting, unsparing, unyielding, austere, demanding

Near Antonyms of Cast-iron

acquiescent, compliant, compromising, pliable, pliant, relenting, yielding, easy, easygoing, gentle, indulgent, kindly, lenient, merciful, mild, pampering, spoiling, tolerant, neglectful, negligent, remiss, slipshod, sloppy, slovenly, unfussy, emasculated, enervated, enfeebled, exhausted, run-down

Origin & Etymology of Cast-iron

First known use: 1692

Frequently Asked Questions about Cast-iron

What does "Cast-iron" mean?

"Cast-iron" means made of cast iron. As an adjective, it is defined as: made of cast iron. It has 2 distinct senses.

What is another word for "Cast-iron"?

Other words for "Cast-iron" include brassbound, exacting, hard-line, inflexible, rigid, rigorous, strict and stringent. The best synonym depends on which meaning of "Cast-iron" you intend.

What are different ways to say "Cast-iron"?

There are 91 words and phrases with a similar meaning to "Cast-iron". Common alternatives include brassbound, exacting, hard-line, inflexible, rigid, rigorous, strict, stringent, uncompromising and hard.

What is the opposite of "Cast-iron"?

Antonyms of "Cast-iron" include flexible, lax, loose, relaxed, slack, delicate, nonhardy and soft. Near antonyms include acquiescent, compliant, compromising and pliable.

How do you use "Cast-iron" in a sentence?

Examples of "Cast-iron" in a sentence: "lost weight only after a cast-iron adherence to his diet"; "he has a cast-iron faith in his innate ability to overcome any adversity that life might throw against him".

Is "Cast-iron" a noun, verb, or adjective?

"Cast-iron" is an adjective.

How do you pronounce "Cast-iron"?

"Cast-iron" is pronounced /ˈkast-ˈī(-ə)rn/.

What is the origin of the word "Cast-iron"?

First known use: 1692.