a disposition that is confused or nervous and upset
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"
(physics) a secondary influence on a system that causes it to deviate slightly
an unhappy and worried mental state "there was too much anger and disturbance" "she didn't realize the upset she caused me"