Thesaurus
cast-iron
Synonyms and Antonyms of cast-iron
1
not allowing for any exceptions or loosening of standards
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
2
able to withstand hardship, strain, or exposure
flinty, leathery, resilient, stalwart
durable, enduring, everlasting, immortal, imperishable, lasting, permanent, stable, staunch (also stanch), staying, tenacious, unyielding
flourishing, prospering, thriving
fit, fortified, hale, healthy, husky, lusty, red-blooded, robust, sound, strapping, virile
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See words that rhyme with cast-iron Dictionary: Definition of cast-iron
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