Definitions of corruption:

• noun:   inducement (as of a public official) by improper means (as bribery) to violate duty (as by commiting a felony)

  Example: "He was held on charges of corruption and racketeering"

• noun:   destroying someone's (or some group's) honesty or loyalty; undermining moral integrity

  Example: "Corruption of a minor"

• noun:   moral perversion; impairment of virtue and moral principles

  Example: "The luxury and corruption among the upper classes"

• noun:   decay of matter (as by rot or oxidation)
• noun:   lack of integrity or honesty (especially susceptibility to bribery); use of a position of trust for dishonest gain
• noun:   in a state of progressive putrefaction