To make deaf, especially momentarily by a loud noise.(verb-transitive)
To make soundproof.(verb-transitive)
To cause permanent or momentary deafness.(verb-intransitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "deafen" in a sentence
"It was incredible and made me ponder what it would have been like in pre-colonial days when flocks of birds could effectively block the sun out or the sound of hundreds of thousands (more?) birds nesting could deafen a person ..."
"I am also hoping to see acceptance of sound suppressors in the U.S. so we don't have to deafen ourselves or our dogs."
"And then I take a deep breath; deafen myself to the whining, blind myself to the mess and gather up my kids and our things."