Perturbation

noun

,pɜrtər'beɪʃən

Noun

activity that is a malfunction, intrusion, or interruption
“the term `distress' connotes some degree of perturbation and emotional upset”
Similar:Disturbance
Type of:Activity
a disposition that is confused or nervous and upset
Similar:Fluster
Type of:Discomposure
the act of causing disorder
Similar:Disruption
Type of:Disturbance
an unhappy and worried mental state
Similar:DisturbanceUpset
Type of:Agitation
(physics) a secondary influence on a system that causes it to deviate slightly
Type of:Influence