corrupt

[1]	pervert , subvert , demoralize , demoralise , debauch , debase , profane , vitiate , deprave , misdirect
[2]	bribe , buy , grease one's palms
[3]	defile , debase , pervert , sully , taint , subvert , degrade , cloud , deprave , warp
[4]	adulterate , spoil , contaminate , pollute , taint , defile , infect , spoil , poison
[5]	bribe , suborn , buy (off)

adj.

[1]	dishonest , untrustworthy , dishonourable , underhand(ed) , venal , (Colloq) crooked
[2]	debased , depraved , perverted , subverted , evil , wicked , degenerate , degraded
[3]	crooked
[4]	corrupted
[5]	tainted