Deafness

n.	1.	Incapacity of perceiving sounds; the state of the organs which prevents the impression which constitute hearing; want of the sense of hearing.
	2.	Unwillingness to hear; voluntary rejection of what is addressed to the understanding. Nervous deafness a variety of deafness dependent upon morbid change in some portion of the nervous system, especially the auditory nerve.

Noun

1.

deafness - partial or complete loss of hearing Synonyms: hearing loss

deaf-muteness, deaf-mutism, hearing disorder, hearing impairment, hearing loss, tin ear, tone deafness