contaminate (v.)
- activate
- adulterate
- alloy
- bastardize
- befoul
- canker
- charge
- cheapen
- coarsen
- confound
- corrupt
- cut
- debase
- debauch
- defile
- deflower
- degenerate
- degrade
- denaturalize
- denature
- deprave
- desecrate
- despoil
- devalue
- dilute
- dirty
- distort
- doctor
- fortify
- foul
- harm
- infect
- injure
- irradiate
- lace
- mess
- misuse
- pervert
- poison
- pollute
- prostitute
- ravage
- ravish
- rot
- soil
- spike
- spoil
- stain
- sully
- taint
- tarnish
- twist
- ulcerate
- violate
- vitiate
- vulgarize
- warp
- water