ματαιόω

English (LSJ)

   A bring to naught, Sch.S.Tr.258, Gloss.    2 ματαιοῦσιν ἑαυτοῖς ὅρασιν invent a vision of their own, LXX Je.23.16.    II more freq. in Pass., to be brought to naught, οὐ ματαιωθήσεται τὰ ῥήματα ib.Ju.6.4.    2 become foolish, act foolishly, ἐματαιώθην σφόδρα ib.1 Ch.21.8, cf. Ep.Rom.1.21; μεματαίωταί σοι thou hast done foolishly, LXX 1 Ki.13.13.