D defs.my
Entry 2 senses Webster, 1913

Deafness

/dĕf'-nəs/ · Deaf·ness · IPA /ˈdɛfnəs/
01 n. Incapacity of perceiving sounds; the state of the organs which prevents the impression which constitute hearing; want of the sense of hearing.
  1. 1.
    Incapacity of perceiving sounds; the state of the organs which prevents the impression which constitute hearing; want of the sense of hearing.
  2. 2.
    Unwillingness to hear; voluntary rejection of what is addressed to the understanding.
Phrases & compounds
Nervous deafness — a variety of deafness dependent upon morbid change in some portion of the nervous system, especially the auditory nerve.