noun (n)

• activity that is a malfunction, intrusion, or interruption(noun.event)

  Example:
  He looked around for the source of the disturbance.
  There was a disturbance of neural function.
  

  Synonym:
  perturbation
  

  source: wordnet30
• an unhappy and worried mental state(noun.state)

  Example:
  There was too much anger and disturbance.
  

  Synonym:
  perturbation, upset
  

  source: wordnet30
• a disorderly outburst or tumult(noun.state)

  Example:
  They were amazed by the furious disturbance they had caused.
  

  Synonym:
  commotion, disruption, flutter, hoo-ha, hoo-hah, hurly burly, kerfuffle, to-do
  

  source: wordnet30
• a noisy fight(noun.act)

  Synonym:
  affray, fray, ruffle
  

  source: wordnet30
• the act of disturbing something or someone; setting something in motion(noun.act)

  source: wordnet30
• (psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness(noun.state)

  Synonym:
  folie, mental disorder, mental disturbance, psychological disorder
  

  source: wordnet30
• electrical or acoustic activity that can disturb communication(noun.event)

  Synonym:
  interference, noise
  

  source: wordnet30
• An interruption of a state of peace or quiet; derangement of the regular course of things; disquiet; disorder; as, a disturbance of religious exercises; a disturbance of the galvanic current.(noun)

  source: webster1913