Noun: nullifier
- An official who can invalidate or nullify
"my bank check was voided and I wanted to know who the nullifier was";
- invalidator, voider
- An advocate of nullification; someone who believes that a state can resist federal laws
"The nullifier argued that the state had the right to ignore federal regulations"
Derived forms: nullifiers
Type of: advocate, advocator, exponent, functionary, official, proponent
Encyclopedia: Nullifier