nullifying

/N AH1 L AH0 F AY0 IH0 NG/
verb
  1. 1

    To make legally invalid.

    โ€œThe contract has been nullified.โ€

  2. 2

    To prevent from happening.

  3. 3

    To make of no use or value; to cancel out.

Synonyms

noun
  1. 1

    The act or process by which something is nullified.

Source: https://en.wiktionary.org/wiki/nullify, https://en.wiktionary.org/wiki/nullifying