noun (n)

• a coming to an end of a contract period(noun.time)

  Example:
  The expiry of his driver's license.
  

  Synonym:
  expiration, termination
  

  source: wordnet30
• the event of dying or departure from life(noun.event)

  Synonym:
  death, decease
  Antonym:
  birth, nascence, nascency, nativity
  

  source: wordnet30
• Expiration.(noun)

  source: webster1913