- Adulterate - Infect badly - Make dirty - Make something impure - Pollute - Taint - To soil, stain, or corrupt by contact; to tarnish;
to sully; to taint; to pollute; to defile.
- Contaminate - Debase - Make impure - Water down - Water down changes to elude a tart - To defile by adultery. - To corrupt, debase, or make impure by an admixture
of a foreign or a baser substance; as, to adulterate food, drink,
drugs, coin, etc.