adjective, -er, -est, noun | 1. | partially or wholly lacking or deprived of the sense of hearing; unable to hear. |
| 2. | refusing to listen, heed, or be persuaded; unreasonable or unyielding: deaf to all advice. |
| 3. | (used with a plural verb ) deaf persons collectively (usually prec. by the). |
deaf (děf)
adj.
Partially or completely lacking in the sense of hearing.
Deaf Of or relating to the Deaf or their culture.
Deaf people considered as a group.
Deaf The community of deaf people who use American Sign Language as a primary means of communication.
deafness deaf·ness (děf'nĭs)
n.
The lack or loss of the ability to hear.
| deafness (děf'nĭs) Pronunciation Key
The lack or severe impairment of the ability to hear. Deafness is usually genetic or congenital as a result of prenatal viral infection, birth trauma, or other causes. Acquired deafness is caused mostly by drug toxicity, trauma, and certain diseases. Cochlear implants are used to treat some forms of deafness. |