corrupt
/kə-ˈrəpt/
verb
to change from good to bad in morals, manners, or actions; also : bribe
to degrade with unsound principles or moral values
rot, spoil
Officials were corrupted by greed.
Some fear the merger will corrupt the competitive marketplace.
adjective
morally degenerate and perverted : depraved
characterized by improper conduct (such as bribery or the selling of favors)
putrid, tainted
corrupt judges
vicious villainous iniquitous nefarious corrupt degenerate mean highly reprehensible or offensive in character, nature, or conduct. vicious may directly oppose virtuous in implying moral depravity, or may connote malignancy, cruelty, or destructive violence. villainous applies to any evil, depraved, or vile conduct or characteristic.