Definition, Meaning & Synonyms

perturbation

noun
/pərˌtərˈbāSHən/
Definition
A state of mental or emotional disturbance.
Examples
  • The sudden perturbation in his routine made him feel anxious.
  • Scientists studied the perturbation of the planet’s orbit caused by the nearby star.
  • Her perturbation was evident when she heard the unexpected news.
Meaning
Perturbation refers to a change or disturbance in a system, environment, or state that causes anxiety or confusion.
Synonyms
  • disturbance
  • upset
  • disruption
  • agitation
  • confusion