ματαιοσύνη
From LSJ
ὃν οὐ τύπτει λόγος οὐδὲ ῥάβδος → if words don't get through, neither a beating will | if the carrot doesn't work, the stick will not work either | whom words do not strike, neither does the rod
English (LSJ)
ἡ, = ματαιότης, Polem.Phgn.13, al.
Greek (Liddell-Scott)
μᾰταιοσύνη: ἡ, = ματαιότης, Πολέμωνος Φυσιογν. 1. 6, Ἀδαμάντ. 1. 5.
Greek Monolingual
ματαιοσύνη, ἡ (Α) μάταιος
η ματαιότητα.