The human soul, mind, or spirit.

(chiefly psychology) The human mind as the central force in thought, emotion, and behavior of an individual.

A small white butterfly, Leptosia nina, family Pieridae, of Asia and Australasia.

To put (someone) into a required psychological frame of mind.

To intimidate (someone) emotionally using psychology.

To treat (someone) using psychoanalysis.

Used abruptly after a sentence to indicate that the speaker is only joking.

The study of the human mind.

The study of human behavior.

The study of animal behavior.

The mental, emotional, and behavioral characteristics pertaining to a specified person, group, or activity.