[n] destroying someone's (or some group's) honesty or loyalty; undermining moral integrity; "corruption of a minor"; "the big city's subversion of rural innocence"
[n] moral perversion; impairment of virtue and moral principles; "the luxury and corruption among the upper classes"; "moral degeneracy followed intellectual degeneration"; "its brothels; its opium parlors; its depravity"
[n] lack of integrity or honesty (especially susceptibility to bribery); use of a position of trust for dishonest gain
[n] decay of matter (as by rot or oxidation)
[n] in a state of progressive putrefaction