Used of persons; emotionally hardened:
— Faced a case-hardened judge.

synonyms: case-hardened, hard-boiled.

Roget 951: impenitent, uncontrite, obdurate; hard, hardened; seared, recusant; unrepentant; relentless, remorseless, graceless, shriftless^†.    lost, incorrigible, irreclaimable.    unreconstructed, unregenerate, unreformed; unrepented^†, unreclaimed^†, unatoned.    ... show more

Roget 376: insensible, unfeeling, senseless, impercipient^†, callous, thick-skinned, pachydermatous; hard, hardened; case hardened; proof, obtuse, dull; anaesthetic; comatose, paralytic, palsied, numb, dead.    ... show more

Roget 717: defending etc. v.; defensive; mural^†; armed, armed at all points, armed cap-a-pie, armed to the teeth; panoplied^†; iron-plated, ironclad; loopholed, castellated, machicolated^†, casemated^†; defended etc. v.; proof against.    armored, ballproof^†, bulletproof; hardened.    ... show more

Roget 988: impious; irreligious etc. 989; desecrating etc. v.; profane, irreverent, sacrilegious, blasphemous.    un-hallowed, un-sanctified, un-regenerate; hardened, perverted, reprobate.    hypocritical etc. (false) 544; canting, pietistical^†, sanctimonious, unctuous, pharisaical, overrighteous^†, righteous over much.    bigoted, fanatical; priest-ridden.    ... show more

Made hard or flexible or resilient especially by heat treatment.

synonyms: tempered, toughened, treated.

Polish: hartowny

Protected against attack (especially by nuclear weapons).

Made tough by habitual exposure:
— Hardened fishermen.

synonyms: enured, inured.

Roget 823: insensible, unconscious; impassive, impassible; blind to, deaf to, dead to; unsusceptible, insusceptible; unimpressionable^†, unimpressible^†; passionless, spiritless, heartless, soulless; unfeeling, unmoral.    apathetic; leuco-^†, phlegmatic; dull, frigid; cold blooded, cold hearted; cold as charity; flat, maudlin, obtuse, inert, supine, sluggish, torpid, torpedinous^†, torporific^†; sleepy etc. (inactive) 683; languid, half-hearted, tame; numbed; comatose; anaesthetic etc. 376; stupefied, chloroformed, drugged, stoned; palsy-stricken.    indifferent, lukewarm; careless, mindless, regardless; inattentive etc. 458; neglectful etc. 460; disregarding.    unconcerned, nonchalant, pococurante^†, insouciant, sans souci [Fr.]; unambitious etc. 866.    unaffected, unruffled, unimpressed, uninspired, unexcited, unmoved, unstirred, untouched, unshocked^†, unstruck^†; unblushing etc. (shameless) 885; unanimated; vegetative.    callous, thick-skinned, hard-nosed, pachydermatous, impervious; hardened; inured, casehardened; steeled against, proof against; imperturbable etc. (inexcitable) 826^†; unfelt.    ... show more

Polish: wytrzymały, odporny

Converted to solid form (as concrete).

synonym: set.