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Synonyms

nullify

American  
[nuhl-uh-fahy] / ˈnʌl əˌfaɪ /

verb (used with object)

nullified, nullifying
  1. to render or declare legally void or inoperative.

    to nullify a contract.

    Synonyms:
    cancel, void, annul, invalidate
  2. to deprive (something) of value or effectiveness; make futile or of no consequence.

    Synonyms:
    cancel, void, annul, invalidate

nullify British  
/ ˈnʌlɪˌfaɪ /

verb

  1. to render legally void or of no effect

  2. to render ineffective or useless; cancel out

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • nullification noun
  • nullifier noun
  • renullify verb (used with object)
  • unnullified adjective

Etymology

Origin of nullify

First recorded in 1585–95, nullify is from the Late Latin word nūllificāre to despise. See nulli-, -fy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A threat they have rarely nullified stands between them and a World Cup semi-final.

From BBC

Bennett played the percentages, content to nullify Australia's spinners, and largely eschewed boundary hitting in favour of accumulation as he looked to establish a solid total.

From BBC

In his judgment, Carter nullified the leases on the grounds that they do not principally benefit veterans as required by law.

From Los Angeles Times

The equal-weight index essentially nullifies the outsize influence of eight tech giants, whose combined market capitalization takes up more than a third of the S&P 500’s total.

From The Wall Street Journal

The 46-year-old academic has never held political office, although he stood for parliament more than a decade ago in an election nullified by the courts.

From Barron's