Link Centre Dictionary

nullify

nul·lify

UK/ˈnʌlɪfaɪ/ US/ˈnʌlʌˌfaɪ/ uncommon

verb

1.

declare invalid

  • “The contract was annulled”
  • “void a plea”
Synonyms
Antonyms
2.

show to be invalid

Synonyms
Antonyms
3.

make ineffective by counterbalancing the effect of

  • “Her optimism neutralizes his gloom”
  • “This action will negate the effect of my efforts”
Synonyms

Origin

From null + -ify.

Phrases

  • null and void

Related words

Word family

Broader terms

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.