unwary
From LSJ
Ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → But for extreme illnesses, extreme remedies, applied with severe exactitude, are the best (Hippocrates, Aphorism 6)
English > Greek (Woodhouse)
adjective
P. and V. ἀφύλακτος; see rash.
off one's guard: P. and V. ἀφύλακτος, ἄφρακτος (Thuc.), P. ἀπαράσκευος, ἀπροσδόκητος.