noun
adj
verb
adv

Textual thesaurus for "perturbation"

(noun) disruption

the act of causing disorder


(noun) fluster

a disposition that is confused or nervous and upset


(noun) disturbance

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


(noun) upset, disturbance

an unhappy and worried mental state

there was too much anger and disturbance; she didn't realize the upset she caused me