ἄδηλος
I. "not seen or known, unknown, obscure", Hes., Soph., Plat.
II. of things, ἄδ. θάνατοι death "by an unknown hand", Soph.; ἄδ. ἔχθρα "secret" enmity, Thuc.; ῥεῖ πᾶν ἄδηλον melts all "to nothing", Soph.; ἄδ. τινι "unseen, unobserved by" him, Xen.
b. neut. ἄδηλόν [ἐστι] εἰ.., ὅτι.., "it is uncertain" whether.., "unknown" that.., Plat., etc.; so, ἄδηλον μή.., id=Plat.:— absol., ἄδηλον ὄν it being "uncertain", Thuc.; so, ἐν ἀδηλοτέρῳ εἶναι Xen.
c. ἄδηλος often agrees with the subject (like δίκαιός εἰμι), παῖδες ἄδηλοι ὁποτέρων ῀ ἄδηλόν ἐστιν ὁποτέρων παῖδες εἰσίν Lys., etc.
III. adv. -λως, "secretly", Thuc., etc.; Sup. -ότατα, id=Thuc.