deaf to

apathetic careless cold-blooded heartless indifferent insensitive uncaring unsympathetic

hardened indurated inured toughened unbending

blind to case-hardened cold hard hard-bitten hard-boiled hardhearted impassive impenitent inflexible insensate insensible insentient obdurate soulless spiritless stiff stony stubborn thick-skinned torpid tough unaffected uncompassionate unconcerned unfeeling unimpressionable unresponsive unsusceptible

caring compassionate concerned feeling interested kind merciful mindful nice responsive sympathetic

sensitive tender

heedless negligent oblivious unconcerned unfamiliar uninformed

incognizant

blind careless caught napping daydreaming deaf doped forgetful in a daze inattentive inconversant insensible mooning nescient not all there not cognizant out cold out of it out to lunch spacey unacquainted unconscious unenlightened uninstructed unknowing unmindful unsuspecting unwitting

attentive careful caring concerned mindful

aware cognizant informed knowing suspicious