- hardened
- adj1. hard, steely, casehardened, tempered, annealed, indurated, dried, fossilized, ossified, crystallized, insoluble, Pathol. sclerosed; set, fixed, firm, concrete; compressed, condensed.2. steeled, tough, seared, hard-boiled, seasoned; inured, untouched, deadened, benumbed, unfeeling, uncaring, callous, unsusceptible, impervious, insensible, cruel, hard-hearted, stony, cold, flinty; obtuse, obstinate, unbending, obdurate, unyielding, rigid, inflexible, adamantine; remorseless, inexorable, unmerciful, implacable, unrelenting.3. reprobate, inveterate, incorrigible, unregenerate, irredeemable, irreclaimable, lost; habituated, accustomed, chronic, habitual; impious, impenitent, uncon-trite, shameless, unashamed.
A Note on the Style of the synonym finder. 2014.