nullified

(verb) declare invalid. Synonyms: invalidate, annul, quash, void, avoid, nullify. Examples: "The contract was annulled." "Void a plea."

(verb) show to be invalid. Synonyms: invalidate, nullify.

(verb) make ineffective by counterbalancing the effect of. Synonyms: neutralize, neutralise, nullify, negate. Examples: "Her optimism neutralizes his gloom." "This action will negate the effect of my efforts."

(adj) deprived of legal force. Synonyms: invalidated.