verb (used with object), nul·li·fied, nul·li·fy·ing. to render or declare legally void or inoperative: to nullify a contract.

What does nullifies mean?

nullify, negate, annul, abrogate, invalidate mean to deprive of effective or continued existence. nullify implies counteracting completely the force, effectiveness, or value of something.

What is the another word for nullify?

Some common synonyms of nullify are abrogate, annul, invalidate, and negate.