| indifferent(adjective, sharp, rude, coarse, short) |
| heedless(adjective, sharp, rude, indifferent, short) |
| oblivious(adjective, indifferent, unconcerned, unsympathetic, ignorant) |
| unaware(adjective, ignorant, naive, uninformed, unwilling) |
| blind(adjective, sharp, rude, indifferent, short) |
| hearing-impaired |
| unmoved(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| deaf-mute |
| obstinate(adjective, unwilling, character trait) |
| unconscious(adjective, unconcerned, ignorant, naive, heedless) |
| unheeding(adjective, rude, indifferent, unconcerned, unkind) |
| hard of hearing(expression, adjective, idiom, hearing, hearing-impaired) |
| insensible(adjective, indifferent, unconcerned, unsympathetic, ignorant) |
| stone-deaf |
| deafened(adjective, hearing, hearing-impaired) |
| unconcerned(adjective, sharp, rude, indifferent, short) |
| deafen |
| inattentive(adjective, sharp, rude, indifferent, short) |
| insensitive(adjective, sharp, rude, indifferent, coarse) |
| intractable(adjective, obstinacy, unwilling, sullenness) |