διαφθείρει: [2 verses] (verb 3rd sg pres ind act) "Corrupteth" is diaphtheiro,  which means "destoy utterly", "ruin", "spoil", "break", "corrupt", "falsify", "counterfeit", "lose", and "forget". - - "Corrupteth" is a verb, used for the first time here, that means "destoy utterly", "ruin", "spoil", "break", "corrupt", "falsify", "counterfeit", "lose", and "forget".