TBESG:ὀλέθριοςpernicious ὀλέθριος, -ον (also -α, -ον, as in Wis, l.with), [in LXX : 3Ki.20:42 (חֵרֶם), Wis.18:15 * ;] destructive, deadly: δίκην, 2Th.1:9, L, txt (for ὄλωεθρος, which see).† (AS)