1. The philosophy of those who, uncertain of everything but the existence of the ego, resolve all existences into forms or modifications of its self-consciousness; self-assertiveness; an inordinate regard to self in one's judgments and passions; a passionate love of self.

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

• egosim,
• egoes,
• ethism,
• egism,
• egisz,
• egiss,
• egoitsm,
• egotism,
• lokoism,
• esopiam,
• egonism,
• egoicla,
• exgoium,
• ogrism,
• ooism,
• woism,
• edyism,
• eddism,
• egoisme,
• Egoics

• ageism.

The adjective form of the word "egoism" is "egoistic" or "egoistical".

The plural of the "egoism" can be the "egoisms".

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