1. To change someone's moral character for the worse; to make dishonest or immoral
Power corrupts absolute authority.
O poder corrompe a autoridade absoluta.
2. To alter or debase something, making it impure or inferior
The virus corrupts the computer files.
O vírus corrompe os arquivos do computador.
3. To induce someone to act dishonestly or illegally, especially by offering a bribe
The official was corrupted by the businessman.
O funcionário foi corrompido pelo empresário.