1. made void, invalid, or of no effect

1. past tense and past participle of nullify; made legally void or invalid

Examples

• The court nullified the contract due to fraud.
• His efforts were nullified by the new regulations.
• The referendum results were nullified after irregularities were discovered.
• The insurance policy was nullified when he failed to pay premiums.
• The nullified agreement left both parties free to negotiate elsewhere.
• Her vote was nullified because she wasn’t properly registered.
• The treaty was nullified by the change in government.