εἰκαιόβουλος
From LSJ
ἐν γὰρ χερσὶ τέλος πολέμου, ἐπέων δ' ἐνὶ βουλῇ → War finds its end in arms, words find their end in debate (Iliad 16.630)
German (Pape)
[Seite 726] unüberlegt, unbedachtsam, K. S.
Greek (Liddell-Scott)
εἰκαιόβουλος: -ον, ματαιόβουλος, ματαιόφρων, Καισάριος 921, 1001.
Spanish (DGE)
-ον
temerario, atrevido τὸ χρῆμα Cyr.Al.M.72.225D, cf. 71.10A, de herejes y supersticiosos, Ps.Caes.9.12, 37.22, 49.15, 116.11.