(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.
3.
to cancel (a regularly scheduled train, plane, social event, etc.) for one day or one time only.
Origin
1375-1425;late Middle English < Anglo-Frenchannuler < Late Latinadnūllāre render null (calque of Greekexoudeneîn), equivalent to ad-ad- + -nullāre, verbal derivative of Latinnūllus no, not any
They proposed a bill to annul the full-stop and due-obedience laws.
Seven opponents had asked the court to annul the vote because of fraud allegations.
They may also annul a law that seeks to exempt power stations from counting as concessions.
Both families, who despise each other, try to get the newlyweds to annul their marriage.
The verdict does not annul the media law's new restrictions.
After the recount, the challenger called for the tribunal to annul the election.
The commission says it may annul the results from polling stations where egregious offences took place.
And by then it will be greatly difficult to annul such laws.
The fund has filed a lawsuit seeking to annul the sale.
These flaws do not annul the book's value, but they muffle its impact.
British Dictionary definitions for annul
annul
/əˈnʌl/
verb -nuls, -nulling, -nulled
1.
(transitive) to make (something, esp a law or marriage) void; cancel the validity of; abolish
Derived Forms
annullable, adjective
Word Origin
C14: from Old French annuller, from Late Latin annullāre to bring to nothing, from Latin nullus not any; see null
Word Origin and History for annul
v.
late 14c., from Old French anuller (13c.) or directly from Late Latin annullare "to make to nothing," from Latin ad- "to" (see ad-) + nullum, neuter of nullus "nothing" (see null). Related: Annulled; annulling.