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See more synonyms for nullity on Thesaurus.com
noun, plural nul·li·ties for 2–4.
  1. the state or quality of being null; nothingness; invalidity.
  2. something null.
  3. something of no legal force or validity.
  4. a person of negligible importance.
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Origin of nullity

From the Medieval Latin word nūllitās, dating back to 1560–70. See null, -ity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for nullity


noun plural -ties
  1. the state of being null
  2. a null or legally invalid act or instrument
  3. something null, ineffective, characterless, etc
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Word Origin

C16: from Medieval Latin nullitās, from Latin nullus no, not any
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

Word Origin and History for nullity


1560s, from French nullité (14c.) or directly from Medieval Latin nullitalis, from Latin nullus "not any" (see null).

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Online Etymology Dictionary, © 2010 Douglas Harper