deaden

dead +‎ -en. Compare Dutch doden (“to kill”).

• IPA^(key): /ˈdɛdən/
• Rhymes: -ɛdən

deaden (third-person singular simple present deadens, present participle deadening, simple past and past participle deadened)

1. (transitive) To render less lively; to diminish; to muffle.
2. (intransitive) To become less lively; to diminish (by itself).
3. (transitive) To make soundproof.

   to deaden a wall or a floor

• deaned