deaden

Verb

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

• make less lively, intense, or vigorous; impair in vigor, force, activity, or sensation
  • Terror blunted her feelings
    
  • deaden a sound
    

• become lifeless, less lively, intense, or active; lose life, force, or vigor

• lessen the momentum or velocity of
  • deaden a ship's headway
    

• make vapid or deprive of spirit
  • deadened wine
    

• cut a girdle around so as to kill by interrupting the circulation of water and nutrients
  • girdle the plant
    

• make vague or obscure or make (an image) less visible
  • muffle the message
    

Related words

• Synonyms: 
  blunt , girdle , dampen , damp
• Antonyms: 
  enliven , liven , liven up , invigorate , animate