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
unseasonable: P. and V. ἄκαιρος.
unreasonable: P. ἄλογος, ἀλόγιστος.