The condition of being deaf; the lack or loss of the ability to hear. / (figuratively) Lack of knowledge or refusal to admit a particular problem, issue, etc.

plural of deafness

Unable to hear, or only partially able to hear. / Unwilling to listen or be persuaded; determinedly inattentive; regardless. / Of or relating to the community of deaf people.

(nonstandard, rare) A deaf person.

(obsolete, transitive) To deafen.

Of or relating to the culture surrounding deaf users of sign languages.

plural of deaf

simple past tense and past participle of deaf

present participle of deaf

(medicine) Auditory aphasia: a condition in which the patient hears words but cannot understand them.