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

• formic
• formic acid
• Formica
• Formica fusca
• Formica rufa
• Formica sanguinea
• Formicariidae
• Formicarius
• formicary
• formicate
• formication
• Formicidae
• formidability
• formidable
• formidably
• formless
• formlessly
• formlessness
• formol
• Formosa
• Formosan
• formula
• formulaic
• formularise
• formularize