STEP Greek Lexicon: ὄλεθρος

ὄλεθρος, -ον

(ὄλλυμι, to destroy), [in LXX for שֹׁד. שָׁדַד, etc. ;]

ruin, destruction, death: 1Th.5:3, 1Ti.6:9; αἰώνιος, 2Th.1:9 (L, txt., ὀλέθριος, which see); εἰς ὄ. τῆς σαρκός, for physical discipline, to destroy carnal lusts, 1Co.5:5.†

(AS)