1. Wanting the sense of hearing, either wholly or in part; unable to perceive sounds; hard of hearing; as, a deaf man.
  2. 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. Deprived of the power of hearing; deafened.
  4. Obscurely heard; stifled; deadened.
  5. Decayed; tasteless; dead; as, a deaf nut; deaf corn.

v. t.

  1. To deafen.