— nullifier , n.
/nul"euh fuy'/ , v.t., nullified, nullifying .
1. to render or declare legally void or inoperative: to nullify a contract.
2. to deprive (something) of value or effectiveness; make futile or of no consequence.
[ 1585-95; nullificare to despise. See NULLI-, -FY ]
Syn. 1, 2. invalidate, annul, void, cancel.