annul

[ uh-nuhl ]
/ əˈnʌl /

verb (used with object), an·nulled, an·nul·ling.

(especially of laws or other established rules, usages, etc.) to make void or null; abolish; cancel; invalidate: to annul a marriage.
to reduce to nothing; obliterate.
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

Related forms

an·nul·la·ble, adjectiveself-an·nul·ling, adjectiveun·an·nul·la·ble, adjectiveun·an·nulled, adjective

Can be confused

anal annual annul
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for annul

British Dictionary definitions for annul

annul

/ (əˈnʌl) /

verb -nuls, -nulling or -nulled

(tr) to make (something, esp a law or marriage) void; cancel the validity of; abolish

Derived Forms

annullable, adjective

Word Origin for annul

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