Definition of "adulterating" []

• Present participle of adulterate. (verb)

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• "Scientific conservatives can’t stand the idea of adulterating known truths by including potentially false ideas."
• "Drug users go to great lengths to beat these tests -- such as adulterating urine samples -- but today's drug tests are increasingly sophisticated and can identify true positives and negatives despite the attempts of those trying to cover up drug use."
• "Chelsea's coach at the time, Jose Mourinho, accused the official of "adulterating" the outcome of a match."