ruinous
From LSJ
English > Greek (Woodhouse)
adj.
In ruins: P. καταπεπτωκώς, V. ἐρείψιμος. Causing ruin: P. and V. ὀλέθριος (Plat. but rare P.), Ar. and V. ἀτηρός, V. πολυφθόρος, πανώλης, πανώλεθρος, λυμαντήριος; see destructive, harmful. Met., P. and V. δεινός.