contaminated

adjective

con·tam·i·nat·ed | \ kən-ˈta-mə-ˌnā-təd

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