# annul

> English word · Verb · IPA /əˈnʌl/ · frequency rank #53,371

## Definitions
1. To formally revoke the validity of.
2. To dissolve (a marital union) on the grounds that it is not valid.

## Etymology
From Middle English annullen, from Old French anuller, from Latin annullō (“annihilate, annul”), from ad (“to”) + nūllus (“none, not any”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/annul