cast-iron

cast–iron

adj

Definition of CAST-IRON

1

: made of cast iron

2

: resembling cast iron: as a : capable of withstanding great strain <a cast–iron stomach> b : not admitting change, adaptation, or exception : rigid <a cast–iron will>

First Known Use of CAST-IRON

1692

Related to CAST-IRON

Synonyms: brassbound, cast-iron, exacting, hard-line, inflexible, rigorous, strict, stringent, uncompromising

Antonyms: flexible, lax, loose, relaxed, slack

Related Words: 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

Near Antonyms: 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

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