1. the philosophical theory that only one’s own mind is sure to exist and that knowledge of anything outside one’s own mind is uncertain
Usage: philosophy
2. extreme preoccupation with and indulgence of one’s feelings, desires, or interests

Examples

• The philosopher’s solipsism led him to question the existence of other minds.
• Her solipsism made it difficult for her to understand other people’s perspectives.
• The debate centered on whether solipsism could be logically refuted.
• His extreme solipsism alienated him from his friends and family.
• The novel explores themes of isolation and solipsism in modern society.
• Critics accused the artist of solipsism in his self-referential work.