'Deaf' definitions:

Definition of 'deaf'

(from WordNet)
adjective
Lacking or deprived of the sense of hearing wholly or in part [ant: hearing(a)]
adjective
(usually followed by `to') unwilling or refusing to pay heed; "deaf to her warnings" [syn: deaf(p), indifferent(p)]
noun
People who have severe hearing impairments; "many of the deaf use sign language"
verb
Make or render deaf; "a deafening noise" [syn: deafen, deaf]

Definition of 'Deaf'

From: GCIDE
  • Deaf \Deaf\ (d[e^]f or d[=e]f; 277), a. [OE. def, deaf, deef, AS. de['a]f; akin to D. doof, G. taub, Icel. daufr, Dan. d["o]v, Sw. d["o]f, Goth. daubs, and prob. to E. dumb (the original sense being, dull as applied to one of the senses), and perh. to Gr. tyflo`s (for qyflo`s) blind, ty^fos smoke, vapor, folly, and to G. toben to rage. Cf. Dumb.]
  • 1. Wanting the sense of hearing, either wholly or in part; unable to perceive sounds; hard of hearing; as, a deaf man. [1913 Webster]
  • Come on my right hand, for this ear is deaf. --Shak. [1913 Webster]
  • 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. [1913 Webster]
  • O, that men's ears should be To counsel deaf, but not to flattery! --Shak. [1913 Webster]
  • 3. Deprived of the power of hearing; deafened. [1913 Webster]
  • Deaf with the noise, I took my hasty flight. --Dryden. [1913 Webster]
  • 4. Obscurely heard; stifled; deadened. [R.] [1913 Webster]
  • A deaf murmur through the squadron went. --Dryden. [1913 Webster]
  • 5. Decayed; tasteless; dead; as, a deaf nut; deaf corn. [Obs. or Prov. Eng.] --Halliwell. [1913 Webster]
  • If the season be unkindly and intemperate, they [peppers] will catch a blast; and then the seeds will be deaf, void, light, and naught. --Holland. [1913 Webster]

Definition of 'Deaf'

From: GCIDE
  • Deaf \Deaf\ (?; 277), v. t. To deafen. [Obs.] --Dryden. [1913 Webster]