Synonyms for perturbation

Noun

1. disturbance, perturbation, upset, agitation

usage: an unhappy and worried mental state; "there was too much anger and disturbance"; "she didn't realize the upset she caused me"

2. perturbation, influence

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

3. perturbation, disturbance, activity

usage: activity that is an intrusion or interruption; "he looked around for the source of the disturbance"; "there was a disturbance of neural function"

4. perturbation, fluster, discomposure

usage: a disposition that is confused or nervous and upset

5. disruption, perturbation, disturbance

usage: the act of causing disorder