deaf

Adjective

• (usually followed by `to') unwilling or refusing to pay heed
  • deaf to her warnings
    

• lacking or deprived of the sense of hearing wholly or in part

Verb

• make or render deaf
  • a deafening noise
    

Noun

• people who have severe hearing impairments
  • many of the deaf use sign language
    

Related words

• Synonyms: 
  deaf(p) , indifferent(p) , deafen