disturbance in WordNet English dictionary

1. a noisy fight
   affray  disturbance  fray  ruffle 
   
2. a disorderly outburst or tumult
   "they were amazed by the furious disturbance they had caused"
   disturbance  disruption  commotion  flutter  hurly burly  to-do  hoo-ha  hoo-hah  kerfuffle 
   
3. the act of disturbing something or someone; setting something in motion
   disturbance 
   
4. activity that is a malfunction, intrusion, or interruption
   "the term `distress' connotes some degree of perturbation and emotional upset"; "he looked around for the source of the disturbance"; "there was a disturbance of neural function"
   perturbation  disturbance 
   
5. electrical or acoustic activity that can disturb communication
   noise  interference  disturbance 
   
6. (psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness
   mental disorder  mental disturbance  disturbance  psychological disorder  folie 
   
7. an unhappy and worried mental state
   "there was too much anger and disturbance"; "she didn't realize the upset she caused me"
   disturbance  perturbation  upset