|v. t.||1.||To soil, stain, or corrupt by contact; to tarnish; to sully; to taint; to pollute; to defile.|
|a.||1.||Contaminated; defiled; polluted; tainted.|
|Verb||1.||contaminate - make impure; "The industrial wastes polluted the lake"|
|2.||contaminate - make radioactive by adding radioactive material; "Don't drink the water--it's contaminated"|
decontaminate - rid of contamination; "The soil around the housing development had to be decontaminated by the city"