[def] 
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). |
[def] , with the vowel of left. In uneducated speech the pronunciation [deef], to rhyme with leaf, is heard, though it is becoming less common.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.