contaminate

/kəntˈæmɪnˌe‍ɪt/

/kənˈtæməˌneɪt/

[VERB]

MAIN VERB

to make a place, substance, etc. dirty or harmful by adding dangerous material

synonyms : adulterate

make radioactive by adding radioactive material

Examples

1. About 70 percent of water in India is contaminated.

2. Reddish-brown tailings slurry has contaminated the water.

3. Plastics have contaminated underground aquifers as well as surface waters in many parts of the industrialized world.

4. Harvest contaminated tobacco.