deaden (Verb) — Make vague, obscure or make (an image) less visible.
deaden (Verb) — Cut a girdle around so as to kill by interrupting the circulation of water and nutrients.
deaden (Verb) — Make vapid or deprive of spirit. ex. "deadened wine"
deaden (Verb) — Lessen the momentum or velocity of. ex. "deaden a ship's headway"
deaden (Verb) — Become lifeless, less lively, intense, or active; lose life, force, or vigour.
deaden (Verb) — Make less lively, intense, or vigorous; impair in vigour, force, activity, or sensation. ex. "deaden a sound"
deaden (Verb) — (chemistry) convert (metallic mercury) into a grey powder consisting of minute globules, as by shaking with chalk or fatty oil.