Home › Words › D › deadenerdeadenerdeadener means something that deadens.EtymologyFrom deaden + -er.nounSomething that deadens.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.deadening 79% match — The process by which something is deadened. vs deadener →deadeningly 71% match — In a deadening manner. vs deadener →deaden 71% match — To render less lively; to diminish; to muffle. vs deadener →deafener 68% match — One who, or that which, deafens. vs deadener →desensitizer 65% match — Anything that desensitizes. vs deadener →deathen 64% match — To cause, bring about, or affect with deadness or death. vs deadener →darkener 60% match — One who or that which darkens. vs deadener →duller 60% match — One who, or that which, dulls. vs deadener →