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1. Philosophy The theory that the self is the only thing that can be known and verified.
2. The view that the self is the only reality.
3. Absorption with oneself without consideration for the needs and desires of others: a self-indulgent memoir that revealed the author's solipsism.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n → Solipsist(in) m(f)
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007