The meaning of ANNUL is to declare or make legally invalid or void. How to use annul in a sentence. Synonym Discussion of Annul.

ANNUL definition: (especially of laws or other established rules, usages, etc.) to make void or null; abolish; cancel; invalidate. See examples of annul used in a sentence.

1. to make or declare void or null; invalidate: to annul a marriage. 2. to abolish; cancel: Joy annulled our cares.

ANNUL meaning: 1. to officially announce that something such as a law, agreement, or marriage no longer exists…. Learn more.

Definition of annul verb from the Oxford Advanced Learner's Dictionary. annul something to state officially that something is not legally recognized. Their marriage was annulled after just six months. …

To make (something, esp a law or marriage) void; cancel the validity of; abolish.... Click for pronunciations, examples sentences, video.

Jan 20, 2026 · annul (third-person singular simple present annuls, present participle annulling, simple past and past participle annulled) (transitive) To formally revoke the validity of.

Annul definition: To make or declare void or invalid, as a marriage or a law; nullify.

There are five meanings listed in OED's entry for the verb annul, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

annul To annul means to declare invalid, nullify, or officially void something, especially with regards to legal contracts, marriage, or any official agreements.