- [verb] declare invalid; "The contract was annulled"; "void a plea"
Synonyms: invalidate, annul, quash, void, avoid
- [verb] show to be invalid
- [verb] make ineffective by counterbalancing the effect of; "Her optimism neutralizes his gloom"; "This action will negate the effect of my efforts"
Synonyms: neutralize, neutralise, negate
- Search for synonyms for NULLIFY