noun (n)

• in a state of progressive putrefaction(noun.state)

  Synonym:
  corruption, putridness, rottenness
  

  source: wordnet30
• the quality of rotting and becoming putrid(noun.attribute)

  Synonym:
  rottenness
  

  source: wordnet30
• The state of being putrescent; putrescent matter.(noun)

  source: webster1913