1. plural of nullification; the act or process of nullifying; the state of being nullified
Usage: countable noun; often used in legal, political, or formal contexts
2. in U.S. history, the doctrine or action by which a state claims the right to reject or invalidate a federal law deemed unconstitutional
Usage: historical; often capitalized when referring to the Nullification Crisis of the 1830s

Examples

• The court ordered the nullifications of all contracts signed under duress.
• Several nullifications of the previous regulations were announced by the new administration.
• The nullifications of the marriage were processed quickly by the diocese.
• Supporters of nullifications argued that states had the power to reject federal mandates.
• The judge approved the nullifications of the defendant's prior convictions.
• These nullifications effectively erased the legal standing of the original agreements.