corrupt
verb
corrupt morally or by intemperance or sensuality
“debauch the young people with wine and women”
“Socrates was accused of corrupting young men”
make illegal payments to in exchange for favors or influence
“This judge can be bought”
place under suspicion or cast doubt upon
“sully someone's reputation”
alter from the original
Synonymsspoil
adjective
lacking in integrity
“humanity they knew to be corrupt...from the day of Adam's creation”
“a corrupt and incompetent city government”
Oppositesincorruptnot straight; dishonest or immoral or evasive
Synonymscrookedcontaining errors or alterations
“a corrupt text”
“spoke a corrupted version of the language”
Synonymscorruptedtouched by rot or decay
“tainted bacon”
“`corrupt' is archaic”
Synonymstainted
Source: WordNet 3.1, Princeton University
