<p><strong>Adjective</strong></p><ul><li>Partially or wholly lacking or deprived of the sense of hearing; unable to hear.</li><li>Refusing to listen, heed, or be persuaded; unreasonable or unyielding: deaf to all advice.</li><li>Of or relating to the Deaf or their cultural community: Deaf customs and values.</li></ul><p><strong>Noun</strong></p><ul><li>Deaf persons collectively (usually preceded by the): social services for the Deaf.</li><li>Usually the Deaf.</li><li>Deaf persons who identify themselves as members of a community composed of Deaf persons and others who share in their culture.</li></ul>