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.

4. (a.) Obscurely heard; stifled; deadened.

5. (a.) Decayed; tasteless; dead; as, a deaf nut; deaf corn.

6. (v. t.) To deafen.