Nullify

//ˈnʌlɪfaɪ// verb

verb ·Moderate ·College level

Definitions

Verb
  1. 1
    To make legally invalid. transitive

    "Near-synonyms: cancel, void"

  2. 2
    make ineffective by counterbalancing the effect of wordnet
  3. 3
    To prevent from happening.
  4. 4
    show to be invalid wordnet
  5. 5
    To make of no use or value; to cancel out.

    "The persuasion that a thing is impossible, at once nullifies endeavour, and like the Turkish "it is fate," torporises activity and exertion."

Show 1 more definition
  1. 6
    declare invalid wordnet

Synonyms

All synonyms
annulannulinvalidateneutralizevoidcancel

Example

More examples

"This contract will nullify all preceding contracts."

Etymology

From null + -ify.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.