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perturbation

noun

/ˌpɜːrtərˈbeɪʃn/

Meaning

A state of anxiety, disturbance, or disorder.

The announcement caused a perturbation in the financial markets.

disturbance, unrest, anxiety, disorder, agitation

calm, tranquility, stability

slight perturbation, social perturbation, economic perturbation, cause perturbation

An improvement or upward trend in a situation, especially in business or economy.

A small tower on top of a larger tower or building, often used in castles or fortifications.

A religious or moral lecture; a sermon.

close familiarity or friendship; closeness; a private cozy atmosphere

a part or element of a larger whole, especially a machine or system

wrongful or criminal deception intended to result in financial or personal gain