ἔκφοβος
From LSJ
ἑὰν δὲ προσποιούμενος ᾗ τὰ μαθήματά πως ἀπείρως προβάλλων, οὐκ ἔστιν αἰτίας ἔξω → But should one profess knowledge as he puts forward something in an inexperienced way, he is not without blame (Pappus 3.1.30.31f.)
English (LSJ)
ον,
A affrighted, Arist.Phgn.812b29, LXX De.9.19, Ev.Marc.9.6, Plu.Fab.6.