Definition

1. Noun:
   • A philosophical theory: The view or theory that the self is the only thing that can be known to exist, or that the self is the only reality.

Usage

• Philosophical Context: Used primarily in discussions of epistemology (the theory of knowledge) and metaphysics within philosophy to denote an extreme form of skepticism about the external world.
• General Use: Can be used metaphorically or critically to describe an extremely self-centered or egocentric viewpoint that ignores the perspectives of others.

Examples

• In philosophy class, we debated whether solipsism could ever be logically refuted.
• His complete disregard for others' opinions bordered on intellectual solipsism.

Advanced Usage

• Methodological Solipsism: A stance in the philosophy of mind and cognitive science that argues the contents of an individual's mind are the only proper starting point for philosophical or scientific inquiry.
  • The researcher adopted a position of methodological solipsism, focusing solely on the data of conscious experience.

Variants and Related Words

• Solipsist (noun): A person who adheres to the theory of solipsism.
  • He was labeled a solipsist for his radical views on consciousness.
• Solipsistic (adjective): Relating to or characteristic of solipsism.
  • Her solipsistic worldview made collaboration difficult.

Synonyms

• Subjectivism: (in some contexts) The doctrine that knowledge is merely subjective and that there is no external or objective truth.
• Egocentrism: (in metaphorical, non-philosophical use) Thinking only of oneself, without regard for the feelings or desires of others.

Related Idioms and Phrases

• A solipsistic bubble: A metaphorical phrase describing a state of being entirely wrapped up in one's own mind or perspective, isolated from external reality or other viewpoints.
  • After years of working alone, he lived in a solipsistic bubble, unaware of industry trends.

Noun

1. (philosophy) the philosophical theory that the self is all that you know to exist