Simple past tense and past participle of nullify.(verb)
That has been declared null(adjective)
Whose value has been set to null(adjective)
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Use "nullified" in a sentence
"The only thing they have nullified is the purported right of criminal defendants to argue nullification, the idea being that if the jury is to nullify, they must do so of their own independent volition."
"Washington had a 50-yard scoring run by Louis Rankin nullified by a holding call late in the game and the Huskies instead had to punt the ball away with 3: 39 remaining."
"The tag nullified her and vilified her and turned her into a sainted lost daughter and a slut."