Marked by immorality and perversion; depraved. Venal; dishonest: a corrupt mayor. Containing errors or alterations, as a text: a corrupt translation. Archaic Tainted; putrid. To destroy or subvert the honesty or integrity of. To ruin morally; pervert. To taint; contaminate. To cause to become rotten; spoil. To change the original form of (a text, for example). Computer Science To damage (data) in a file or on a disk. To become corrupt.