contaminated

adjective
con·​tam·​i·​nat·​ed | \ kən-ˈta-mə-ˌnā-təd How to pronounce contaminated (audio) \

Definition of contaminated

1 : soiled, stained, corrupted, or infected by contact or association a contaminated wound Urine and feces of infected cats and contaminated clothing, bedding, food bowls or toys are also possible modes of transmission.Cat Fancy
2 : made unfit for use by the introduction of unwholesome or undesirable elements Botulinum toxin is a highly lethal substance which causes death, even in developed countries, when contaminated food is improperly canned or stored.— John Laffin … the material could be used as a filter for cleaning contaminated drinking water.— Alexandra Goho

First Known Use of contaminated

1576, in the meaning defined at sense 1

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The first known use of contaminated was in 1576

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one that collects or salvages junk

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