† diegeˈmatical,a.Obs. [f.Gr. διηγηµατικ-ός descriptive + -al1.] Of the nature of a narrative or description; descriptive. 1624Bp. R. Montagu Invocation Saints 184 That which he [Nazianzen] hath is diegematicall, not by way of conclusion, or of approbation.