Synonyms of 'callous'

anneal, apathetic, asleep, backed, brazen, brutalize, calcify, cold, crusted, crusty, dead, dull, firm, flinty, fossilize, hard, hard-boiled, hard-nosed, harden, hardened, hardhearted, heartless, impassible, impenitent, imperceptive, impercipient, impervious, indifferent, indurate, insensate, insensible, insensitive, insentient, insolent, inure, lapidify, numb, obdurate, obtuse, ossified, ossify, pachydermatous, petrify, sclerotic, set, shameless, steel, stony, temper, thick-witted, tough, toughen, unblushing, unemotional, unfeeling, unfelt, unmelted, unmerciful, unnatural, unperceptive, unrepentant, unresponsive, untouched, vitrify