noun (n)

• (of non-living objects) the state of being free of pathogenic organisms(noun.state)

  Synonym:
  antisepsis, asepsis, sterileness
  

  source: wordnet30
• the state of being unable to produce offspring; in a woman it is an inability to conceive; in a man it is an inability to impregnate(noun.state)

  Synonym:
  infertility
  Antonym:
  fecundity, fertility
  

  source: wordnet30
• The quality or condition of being sterile.(noun)

  source: webster1913