deaden

(verb) make vague or obscure or make (an image) less visible. Synonyms: dampen, damp. Example: "Muffle the message."

(verb) cut a girdle around so as to kill by interrupting the circulation of water and nutrients. Synonyms: girdle. Example: "Girdle the plant."

(verb) make vapid or deprive of spirit. Example: "Deadened wine."

(verb) lessen the momentum or velocity of. Example: "Deaden a ship's headway."

(verb) become lifeless, less lively, intense, or active; lose life, force, or vigor.

(verb) make less lively, intense, or vigorous; impair in vigor, force, activity, or sensation. Synonyms: blunt. Examples: "Terror blunted her feelings." "Deaden a sound."

(verb) convert (metallic mercury) into a grey powder consisting of minute globules, as by shaking with chalk or fatty oil.