Synonyms of iron

1 Syllable

steel, greyest, cleek, grayest, hard, firm, thick, strong, cruel, gray, zinc, grey, greyer, mule, grayer

2 Syllables

hardest, heavy, clinkers, stubborn, steely, oyster, heather, harder, niblick, steelier, dense, mashie, rigid, ferrous, handcuff, ferric, planing, asher, bullhead, ory, stannic, tinny, tinniest, robust

3 Syllables

midiron, unyielding, hard-hearted, hard-handed, uncompliant, stiff-necked, handcuffing, metallic, granite, geologic, adamant, tenacious, unwrinkle, handcuffed, relentless, manacle, cinereal, unbending, hard-bitten

4 Syllables

immovable, implacable, obdurate, insensible, inflexible, unbendable, unforgetful, metallurgic

5 Syllables

inalterable, inexorable, indomitable, adamantine, unadaptable