Entry 1 sense Webster, 1913 Monolithic /mänˌ-əl-ĭth'-ĭk/ · Mon·o·lith·ic · IPA /ˌmɑ.nəˈlɪθ.ɪk/ 01 a. Of or pertaining to a monolith; consisting of a single stone. 1. Of or pertaining to a monolith; consisting of a single stone.