[ uh-nuhl ]
See synonyms for: annulannulledannuls on

verb (used with object),an·nulled, an·nul·ling.
  1. (especially of laws or other established rules, usages, etc.) to make void or null; abolish; cancel; invalidate: to annul a marriage.

  2. to reduce to nothing; obliterate.

  1. to cancel (a regularly scheduled train, plane, social event, etc.) for one day or one time only.

Origin of annul

1375–1425; late Middle English <Anglo-French annuler<Late Latin adnūllāre render null (calque of Greek exoudeneîn), equivalent to ad-ad- + -nullāre, verbal derivative of Latin nūllus no, not any

Other words for annul

Other words from annul

  • an·nul·la·ble, adjective
  • self-an·nul·ling, adjective
  • un·an·nul·la·ble, adjective
  • un·an·nulled, adjective

Words that may be confused with annul Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use annul in a sentence

British Dictionary definitions for annul


/ (əˈnʌl) /

verb-nuls, -nulling or -nulled
  1. (tr) to make (something, esp a law or marriage) void; cancel the validity of; abolish

Origin of annul

C14: from Old French annuller, from Late Latin annullāre to bring to nothing, from Latin nullus not any; see null

Derived forms of annul

  • annullable, adjective

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