1. (psychoanalysis) the governing principle of the id; the principle that an infant seeks gratification and fails to distinguish fantasy from reality
   - pleasure principle, pleasure-pain principle

Type of: principle

• organ of Corti
• organ of hearing
• organ of speech
• organ pipe
• organ stop
• organ transplant
• organ-grinder
• organdie
• organdy
• organelle
• organic
• organic brain syndrome
• organic chemistry
• organic compound
• organic disorder
• organic evolution
• organic fertiliser
• organic fertilizer
• organic law
• organic light-emitting diode
• organic phenomenon
• organic process
• organic structure
• organically
• organicism