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."