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nullify - definition and synonyms


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verb [transitive] nullify pronunciation in British English /ˈnʌlɪfaɪ/
Word Forms
present tense
present participlenullifying
past tensenullified
past participlenullified
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  1. 1
    legal to make something lose its legal effect
    The other candidates sought to have the election results nullified.
  2. 2
    to make something lose its value or effect
    The trade agreement was effectively nullified once the company was sold.

derived word


 nullify pronunciation in British English /ˌnʌlɪfɪˈkeɪʃ(ə)n/ noun [uncountable]


a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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a stupid person

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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