solipsism

[sol-ip-siz-uhm]
noun
1.
Philosophy. the theory that only the self exists, or can be proved to exist.
2.
extreme preoccupation with and indulgence of one's feelings, desires, etc.; egoistic self-absorption.

Origin:
1880–85; sol(i)-1 + Latin ips(e) self + -ism

solipsismal, adjective
solipsist, noun, adjective
solipsistic [sol-ip-sis-tik] , adjective

solecism, solipsism.
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World English Dictionary
solipsism (ˈsɒlɪpˌsɪzəm)
 
n
philosophy the extreme form of scepticism which denies the possibility of any knowledge other than of one's own existence
 
[C19: from Latin sōlus alone + ipse self]
 
'solipsist
 
n, —adj
 
solip'sistic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

solipsism
1874, coined from L. solus "alone" + ipse "self." The view or theory that self is the only object of real knowledge or the only thing that is real.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Cultural Dictionary
solipsism [(sol-uhp-siz-uhm, soh-luhp-siz-uhm)]

The belief that all reality is just one's own imagining of reality, and that one's self is the only thing that exists.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
For he was a solipsist who did not share the screen easily with anyone.
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