Entry 1 sense Webster, 1913 Mythologue · Myth·o·logue · IPA /ˈmɪθəlɒɡ/ 01 n. A fabulous narrative; a myth. 1. A fabulous narrative; a myth.[R.] “May we not . . . consider his history of the fall as an excellent mythologue, to account for the origin of human evil?” — Geddes.