1. the belief that reality consists of two fundamental and opposing principles or substances
Usage: philosophy
2. the view that the mind and body are separate and distinct substances
Usage: philosophy; psychology
3. a system of thought that recognizes two opposing or contrasting principles

Examples

• Cartesian dualism separates mind from matter.
• The philosopher rejected dualism in favor of a unified theory.
• Religious dualism often contrasts good and evil as fundamental forces.
• The debate between dualism and materialism continues in modern philosophy.
• Her worldview reflected a strict dualism between spirit and flesh.
• The ancient religion was based on dualism between light and darkness.