Definition of "nullifies" []

• Third-person singular simple present indicative form of nullify. (verb)

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• "But to encourage someone to vote for either Obama or McCain nullifies every well motivated impulse in your strategy."
• "But Mr. Hobbes counters that a clause in the contract that guarantees the OPP will be the province's highest paid force at the end of the three-year term nullifies the effect of the last two years."
• "It's one of those phrases where one word nullifies the other."