Definition of nullity noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈnʌləti//
; NAmE NAmE//ˈnʌləti//
[singular] (formal or law) Separation
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the fact of something, for example a marriage, having no legal force or no longer being valid; something which is no longer valid a decree of nullity (= a statement saying that a marriage is no longer legally valid) The decision of the committee can now be regarded as a nullity. See related entries: Separation Word Originmid 16th cent.: from French nullité, from medieval Latin nullitas, from Latin nullus ‘none’.
See the Oxford Advanced American Dictionary entry: nullity