verb (v)

• make vague or obscure or make (an image) less visible(verb.change)

  Synonym:
  damp, dampen
  

  source: wordnet30
• cut a girdle around so as to kill by interrupting the circulation of water and nutrients(verb.contact)

  Synonym:
  girdle
  

  source: wordnet30
• make vapid or deprive of spirit(verb.change)

  Example:
  Deadened wine.
  

  source: wordnet30
• lessen the momentum or velocity of(verb.change)

  Example:
  Deaden a ship's headway.
  

  source: wordnet30
• become lifeless, less lively, intense, or active; lose life, force, or vigor(verb.change)

  source: wordnet30
• make less lively, intense, or vigorous; impair in vigor, force, activity, or sensation(verb.change)

  Example:
  Deaden a sound.
  

  Synonym:
  blunt
  Antonym:
  animate, enliven, invigorate, liven, liven up
  

  source: wordnet30
• convert (metallic mercury) into a grey powder consisting of minute globules, as by shaking with chalk or fatty oil(verb.change)

  source: wordnet30
• To make as dead; to impair in vigor, force, activity, or sensation; to lessen the force or acuteness of; to blunt; as, to deaden the natural powers or feelings; to deaden a sound.(verb)

  source: webster1913
• To render impervious to sound, as a wall or floor; to deafen.(verb)

  source: webster1913