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Adjective: contaminating  kun'ta-mi,ney-ting
  1. Spreading pollution or contamination; especially radioactive contamination
    - dirty
  2. That infects or taints
    - corrupting
Verb: contaminate  kun'ta-mi,neyt
  1. Make impure in a bad way; make something harmful, especially by the addition of some unwanted substance
    "The industrial wastes contaminated the lake";
    - pollute, foul
  2. Make radioactive by adding radioactive material
    "Don't drink the water--it's contaminated"

See also: infectious

Type of: alter, begrime, bemire [archaic], change, colly [archaic], dirty, grime, modify, soil

Antonym: decontaminate, uncontaminating

Encyclopedia: Contaminating