(third-person singular simple present contaminates, present participle contaminating, simple past and past participle contaminated)
- To introduce impurities or foreign matter to.
- Do not contaminate the peanut butter with the jelly.
- This water is contaminated. It isn't safe to drink.
- To soil or corrupt by contact; to tarnish; to pollute.
From Old French contaminer, from Latin contaminare (“to touch together, blend, mingle, corrupt, defile”), from contamen (“contact, defilement, contagion”), related to tangere.