Noun
1. activity that is an intrusion or interruption;
"he looked around for the source of the disturbance""there was a disturbance of neural function"2. an unhappy and worried mental state;
"there was too much anger and disturbance""she didn't realize the upset she caused me"3. a disorderly outburst or tumult;
"they were amazed by the furious disturbance they had caused"4. a noisy fight
5. the act of disturbing something or someone; setting something in motion
6. (psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness
7. electrical or acoustic activity that can disturb communication