English to English

verb (v)

• remove the value from; deprive of its value(verb.change)

  Synonym:
  devaluate
  

  source: wordnet30
• lower the value or quality of(verb.change)

  Example:
  The tear devalues the painting.
  

  source: wordnet30
• lose in value(verb.change)

  Synonym:
  depreciate, devaluate, undervalue
  Antonym:
  appreciate, apprise, apprize, revalue
  

  source: wordnet30