YourDictionary

deaden

transitive verb

  1. to lessen the vigor, intensity, or liveliness of; dull
  2. to take away the sensitivity of; make numb
  3. to treat (a wall, floor, or ceiling) so as to keep sounds from going through; make soundproof

intransitive verb

to become as if dead; lose vigor, intensity, etc.

See deaden in American Heritage Dictionary 4

Learn more about deaden

link/cite print suggestion box