wanting the sense of hearing, either wholly or in part; unable to perceive sounds; hard of hearing; as, a deaf man.-unwilling to hear or listen; determinedly inattentive; regardless; not to be persuaded as to facts, argument, or exhortation; -- with to; as, deaf to reason.-deprived of the power of hearing; deafened.-obscurely heard; stifled; deadened.-decayed; tasteless; dead; as, a deaf nut; deaf corn.-to deafen.