γραμματική ἐστιν ἐμπειρία τῶν παρὰ ποιηταῖς τε καὶ συγγραφεῦσιν ὡς ἐπὶ τὸ πολὺ λεγομένων → grammar is a practical knowledge of the usage of poets and writers of prose
impious: P. and V. ἄθεος, ἀσεβής, δυσσεβής (rare P.), V. δύσθεος.
shameless: P. and V. ἀναιδής, P. ὑβριστικός.