Synonyms of hardened

1 Syllable

hard, firm, stiff, cruel, firms, val, tough

2 Syllables

stiffest, stony, hardier, firmest, impious, long-time, firmer, toughest, stiffer, creakier, harder, steeled, stonier, hard-shell, street-smart, creaky, hardest, beastlier, deep-down, deep-dyed, tougher, hardiest, hardy, callous, buckram, heartless

3 Syllables

prepared, unblushing, benumbed, coldhearted, hard-as-nails, hardhearted, toughened, hardboiled, habitual, hardcore, long-serving, obtuse, unsupple, coriaceous, addicting, fine-grained, nonporous, inured, longtime, confirmed, disdainful, feelingless, contemptuous, uncordial, ossified, leathery, uncaring, seasoned, cold-blooded, hard-boiled, shameless, unbending, unfeeling, hard-bitten, hard-handed, veteran, resistant

4 Syllables

unabashed, accustomed, stony-hearted, unashamed, fossilized, unconcerned, impenitent, power-loving, ironhearted, remorseless, impassive, close-grained, habituated, unreformed, stonyhearted, unbothered, obdurate, unamiable, case-hardened, unrepenting, dyed-in-the-wool, recidivous, obstinate, indurated, leatherlike, irreverent

5 Syllables

unemotional, insensitive, casehardened, incorrigible, incompressible, inexcitable, irradicable, inaccessible, uncorrectable, opportunistic, insusceptible, impenetrable, unsubmissive, irredeemable, inveterate

6 Syllables

uncompassionate, opinionative, ineradicable