1. a person who believes that only their own mind is sure to exist or that knowledge of anything outside one’s own mind is impossible
Usage: philosophy

Examples

• The philosopher was accused of being a solipsist who denied the existence of other minds.
• As a solipsist, she questioned whether anyone else truly existed beyond her own consciousness.
• The solipsist argued that we can never truly know if other people have genuine experiences.
• Critics called him a solipsist for his extreme focus on subjective experience.
• The novel’s protagonist was a solipsist trapped in his own mental world.
• Many students find it difficult to argue against a committed solipsist’s position.