ματαιόω

μᾰταιόω,

• 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.