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v. Third-person singular simple present indicative form of adulterate.

""That's why adultery is called adultery - because it 'adulterates', which literally means to make something poorer in quality by adding another substance," Bel Mooney recently scolded an unfaithful husband who had rashly written to her for guidance."

impure   

purify   

adulterated    adulterates    adulterating   

adulterated    adulterating    adulteration    adulterant   

vitiate    debase    defile    contaminate    sophisticate