callous
I
adjective
adamant, adamantine, brutal, callosus, cold, cold of heart, cold-blooded, coldhearted, durus, hard, hard of heart, hardened, hardhearted, heartless, impassive, impenetrable, impenitent, imperturbable, impervious, implacable, inclement, indifferent, indisposed to mercy, indurate, indurated, inexcitable, inexorable, inflexible, infrangible, insensate, insensible, insensitive, insentient, intolerant, obdurate, persecuting, pitiless, relentless, remorseless, rigorous, seared, severe, shock-proof, steeled against, stubborn, tearless, thick-skinned, toughened, unbending, unblushing, uncaring, uncomforting, uncompassionate, uncondoling, unconsoling, unfeeling, unforgiving, unimpressed, unimpressible, unimpressionable, unmelting, unmerciful, unmoved, unpardoning, unpitying, unrelenting, unruffled, unstirred, unsusceptible, unsympathetic, unsympathizing, unyielding
II
index
cold-blooded, diabolic, impervious, insensible, insusceptible (uncaring), obdurate, obtuse, phlegmatic, recalcitrant, ruthless, unaffected (uninfluenced)
Burton's Legal Thesaurus.
William C. Burton.
2006