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