Definition of "Disturbance" :
noun: the act of disturbing something or someone; setting something in motion
noun: a noisy fight
noun: activity that is a malfunction, intrusion, or interruption
"He looked around for the source of the disturbance."
noun: electrical or acoustic activity that can disturb communication
noun: a disorderly outburst or tumult
"They were amazed by the furious disturbance they had caused."
noun: (psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness
noun: an unhappy and worried mental state
"There was too much anger and disturbance."