Nullification may refer to: * Nullification (U.S. Constitution), a legal theory that a state has the right to nullify any federal law deemed unconstitutional with respect to the United States Constitution ** Nullification crisis, the 1832 confrontation between the U.S. government and South Carolina over the latter's attempt to nullify a federal law *** Ordinance of Nullification, declared the Tariffs of 1828 and 1832 null and void within the state borders of South Carolina *

Jury nullification Jury nullification, also known as jury equity or as a perverse verdict, is a decision by the jury in a trial, criminal trial resulting in a verdict of Acquittal, not guilty even though they think a defendant has broken the law. The jury's reas ...

, a legal term for a jury's ability to deliver a verdict knowingly in contradiction to written law * Nullification (body modification), short for "genital nullification", a member of an extreme body modification subculture

See also