ruinous
From LSJ
English > Greek (Woodhouse)
adjective
in ruins: P. καταπεπτωκώς, V. ἐρείψιμος.
causing ruin: P. and V. ὀλέθριος (Plato but rare P.), Ar. and V. ἀτηρός, V. πολυφθόρος, πανώλης, πανώλεθρος, λυμαντήριος; see destructive, harmful.
in ruins: P. καταπεπτωκώς, V. ἐρείψιμος.
causing ruin: P. and V. ὀλέθριος (Plato but rare P.), Ar. and V. ἀτηρός, V. πολυφθόρος, πανώλης, πανώλεθρος, λυμαντήριος; see destructive, harmful.