ἀπαρασκεύαστος
From LSJ
εἰ ἀποκρυπτόντων τῶν Μήδων τὸν ἥλιον ὑπὸ σκιῇ ἔσοιτο πρὸς αὐτοὺς ἡ μάχη καὶ οὐκ ἐν ἡλίῳ → if the Medes hid the sun, the battle would be to them in the shade and not in the sun
English (LSJ)
ον, = sq., X.An.1.5.9 (Comp.), 2 Ep.Cor.9.4, J.AJ4.8.41. Adv.
A -τως Arist.Rh.Al.1430a3.
German (Pape)
[Seite 279] unvorbereitet, ungerüstet, βασιλεὺσστότατος Xen. An. 1, 1, 6. 2, 3, 21; Compar., Poll. 6, 143.