English to English

noun (n)

• a state of deterioration due to old age or long use(noun.state)

  Synonym:
  decrepitude
  

  source: wordnet30
• the process of becoming dilapidated(noun.process)

  Synonym:
  ruin
  

  source: wordnet30
• The act of dilapidating, or the state of being dilapidated, reduced to decay, partially ruined, or squandered.(noun)

  source: webster1913