noun (n)

• an act of delaying or interrupting the continuity(noun.act)

  Synonym:
  break, disruption, gap
  

  source: wordnet30
• some abrupt occurrence that interrupts an ongoing activity(noun.event)

  Example:
  The telephone is an annoying interruption.
  

  Synonym:
  break
  

  source: wordnet30
• a time interval during which there is a temporary cessation of something(noun.time)

  Synonym:
  break, intermission, pause, suspension
  

  source: wordnet30
• The act of interrupting, or breaking in upon.(noun)

  source: webster1913