Perturbation Common

an unhappy and worried mental state

"there was too much anger and disturbance"

"she didn't realize the upset she caused me"

(physics) a secondary influence on a system that causes it to deviate slightly

"The gravitational pull of Jupiter acts as a perturbation on Saturn's orbit, causing its path to wobble ever so slightly over centuries."

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"

a disposition that is confused or nervous and upset

"His perturbation was evident as he stumbled over his words during the sudden change of plans."

the act of causing disorder

"The sudden power outage caused a significant perturbation in the factory's assembly line, halting production for hours."

Agitation; the state of being perturbed

"The sudden news caused a deep sense of perturbation that made it hard for her to focus on anything else."