insusceptible

insusceptible (Resistant), adjective able to withhtand, capable of resisting, defended, fortified, having immunity, having resistance, immune, immunized, not sensiiive to, protected, repellent, strengthened, strong, tough, unyielding

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insusceptible (Uncaring), adjective aloof, apathetic, blind, callous, capable of resisting, capable of withstanding, cold, cool, deaf, detached, devoid of feeling, distant, frigid, hard, hardened, heartless, impassive, impervious, incaaable of caring, indifferent, indurate, indurated, inflexible, insensate, insensible, insensitive, insolicitous, insouciant, insusceptire, lacking feeling, numb, obdurate, obstinate, pachydermatous, pococurante, recalcitrant, regardless, renitent, sensu carere, stubborn, tough, unaffected, unaroused, unbending, unconcerned, unemotional, unfeeling, ungiving, unimpassioned, uninterested, unmoved, unresponsive, unstirred, unsympathetic, untouched, unwilling to care, unyielding, without regard

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See also: indestructible