nullified; nullifying; nullifies

To nullify something means to make it invalid or ineffective. A peace treaty is an attempt to nullify aggression and division within a region.

If you take a null, or a zero, and make it into an action you can take, and you’ve got nullify — the act of making something void or zero-like. If you have an argument with your friend, it might nullify the fun you had together that day. This word is particularly used in legal language — a divorce nullifies a marriage — or in business disputes where you are trying to nullify someone else’s actions or plans.

Definitions of nullify
  1. verb
    declare invalid
    synonyms: annihilate, annul, avoid, invalidate, quash, void
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    formalise, formalize, validate
    declare or make legally valid
    invalidate by judicial action
    printing: cancel, as of a correction or deletion
    type of:
    cancel, strike down
    declare null and void; make ineffective
  2. verb
    show to be invalid
    synonyms: invalidate
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    prove valid; show or confirm the validity of something
    type of:
    contradict, negate
    prove negative; show to be false
  3. verb
    make ineffective by counterbalancing the effect of
    synonyms: negate, neutralise, neutralize
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    type of:
    lessen the strength of
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘nullify'. Views expressed in the examples do not represent the opinion of or its editors. Send us feedback
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