contaminate🔊

To make something dangerous or toxic by introducing impurities or foreign matter.

To soil, stain, corrupt, or infect by contact or association.

To make unfit for use by the introduction of unwholesome or undesirable elements.

To infect, usually of a deadly virus.

(used as a participle) Contaminated.

(figuratively) Dirty, sinful, wicked, gross, etc.