1. (a.) Wanting the sense of hearing, either wholly or in part; unable to perceive sounds; hard of hearing; as, a deaf man.
2. (a.) Unwilling to hear or listen; determinedly inattentive; regardless; not to be persuaded as to facts, argument, or exhortation; -- with to; as, deaf to reason.
3. (a.) Deprived of the power of hearing; deafened.