1. Twofoldness in the unity of being, or the doctrine that there are two opposite and independently existing principles which go to form everything, such as a principle of good and a principle of evil, or spirit and matter, or a male and a female, or yea and nay; Manichaeism.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• dalis,
• calism,
• fedualism,
• dialis,
• dualsim,
• dualisim,
• fudalism,
• mulism,
• dulism,
• mutalism,
• balism,
• dialise,
• dualizm,
• dyualism,
• daulism,
• baalism,
• dudiish,
• lvelism,
• phalism,
• quacism

• dulcimer,
• dulciana.

The adjective form of the word "dualism" is "dualistic".

The plural of the "dualism" can be the "dualisms".

The singular of the "dualism" can be the "dualism".