noun. 1. an anxious or stressful cognitive state. With regard to the framework of a complete or tried suicide, it is a gauging of the degree to which an individual is disturbed or upset. 2. an impact or activity which causes a disruption or interference in a cognitive or physical system or phenomenon.

PERTURBATION: "The patient is suffering from severe perturbation."
Cite this page: N., Pam M.S., "PERTURBATION," in, April 7, 2013, (accessed September 24, 2021).