Antonyms of verb decontaminate

1 sense of decontaminate

Sense 1
decontaminate -- (rid of contamination; "The soil around the housing development had to be decontaminated by the city")
       Antonym of contaminate (Sense 2)
      => contaminate -- (make radioactive by adding radioactive material; "Don't drink the water--it's contaminated")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb decontaminate

1 sense of decontaminate

Sense 1
decontaminate -- (rid of contamination; "The soil around the housing development had to be decontaminated by the city")
       => cleanse, clean -- (clean one's body or parts thereof, as by washing; "clean up before you see your grandparents"; "clean your fingernails before dinner")