solipsistic

[ sol-ip-sis-tik ]

adjective

1. of or characterized by solipsism, or the theory that only the self exists, or can be proved to exist:

   Her treatment philosophy dealt with madness as a complete, self-contained, solipsistic world that sane people are not able to enter.

Word History and Origins

Origin of solipsistic¹

solips(ism) + -istic