incompetent
From LSJ
Κρεῖττον σιωπᾶν ἐστιν ἢ λαλεῖν μάτην → Silentium anteferendum est vaniloquentiae → Das Schweigen übertrifft vergebliches Geschwätz
Ar. and P. ἀδύνατος, πονηρός, μοχθηρός, P. and V. ἀφυής, φαῦλος, κακός, V. φλαυρουργός; see incapable.
