|1.||[ adjective ] lacking or deprive of the sense of hearing wholly or in part|
|Related terms:||hearing inattentive hard-of-hearing profoundly_deaf deafened tone-deaf deaf-and-dumb hard-of-hearing deaf-and-dumb|
|2.||[ noun ] people who have severe hearing impairments|
"many of the deaf use sign language"
|Related terms:||people deaf_person deafen|
|3.||[ adjective ] (usually followed by `to') unwilling or refusing to pay heed|
"deaf to her warnings"
|4.||[ verb ] make or render deaf|
"a deafening noise"
|Related terms:||desensitize desensitize|