1. the philosophical theory that reality consists of a single basic substance or principle
Usage: philosophy
2. the doctrine that mind and matter are aspects of one substance
Usage: philosophy

Examples

• Spinoza’s monism held that everything in existence is part of a single substance.
• The philosopher rejected dualism in favor of monism.
• According to materialist monism, everything is ultimately physical matter.
• Idealist monism claims that reality is fundamentally mental or spiritual.
• The debate between monism and dualism has persisted for centuries.
• Her thesis explored different forms of monism in ancient philosophy.