πολυκίνδυνος
From LSJ
Τούτῳ τῷ λόγῳ χρήσαιτο ἄν τις ἐπ' ἐκείνων τῶν ἀνθρώπων οἳ παραδόξως ἀλαζονεύονται, μηδὲ τὰ κοινὰ τοῖς ἀνθρώποις ἐπιτελεῖν δυνάμενοι → One would use this fable for those who give themselves unreasonable airs, but can't handle everyday life (Aesop 40)
English (LSJ)
ον,
A very dangerous, Isoc.10.17 as cited by Demetr.Eloc.23. II conversant with danger, Teucer in Cat.Cod. Astr.7.198.