adjustment disorder

noun Psychiatry.

1. a mental disorder that occurs as a maladaptive reaction to an episode of psychological, social, or physical stress, as divorce or a natural disaster.

n.

1. Any of a class of disorders that result from an individual’s failure to adapt to identifiable stresses in the environment such as divorce, natural disaster, family discord, or retirement, characterized by an impaired ability to function socially or occupationally.