(transitive, intransitive) To practice psychoanalysis (on).

A practitioner of psychoanalysis.

(dated) neurosis

The academic study of persons whose psychological characteristics deviate from the norm, as with neuroses, psychoses, and disorders

The interplay between the individual and society. / The study of how people and groups interact.

Of or relating to the psychological aspect or aspects of sexuality.

(psychology, evolutionary theory) A theoretical approach to psychology that attempts to explain mental and psychological traits—such as memory, perception, or language—as adaptations, that is, as the functional products of natural selection.

(psychology) A delay to the second response to two closely-spaced stimuli

(psychology) The progressive evolution of infantile sexuality through oral, anal, phallic, latent, and genital phases.

(psychology) The application of the principles of biology to the study of mental processes and behavior.