nullify

English Dictionary -> Letter N -> nullify

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nullify Definition

• (v) declare invalid; "The contract was annulled"; "void a plea"
• (v) show to be invalid
• (v) make ineffective by counterbalancing the effect of; "Her optimism neutralizes his gloom"; "This action will negate the effect of my efforts"

nullify Synonyms

• annul
• avoid
• invalidate
• negate
• neutralise
• neutralize
• nullify
• quash
• void