SOLIPSISM /ˈsɑlɪpsɪzm/ Scrabble 13 Words With Friends 16 Scrabble letter values: S1O1L1I1P3S1I1S1M3 = 13 Definition noun (philosophy) the philosophical theory that the self is all that you know to exist. See all 94 words you can make from SOLIPSISM → 9-letter words Words starting with S Words ending with M ← Unscramble different letters