Definitions

1. verb

to make someone or something unable to hear; to make extremely deaf

“The loud music will deafen the audience if it continues.”

2. verb

to make someone or something unable to perceive or be aware of something

“The shocking news will deafen many people to the real issue.”

3. noun

the act of making someone or something unable to hear; the state of being extremely deaf

“The deafening sound of the explosion caused a temporary deafen.”