What is another word for annul?
Pronunciation: [ɐnˈʌl] (IPA) 
"Annul" means to declare something invalid or cancelled. There are several synonyms for the word, such as cancel, invalidate, revoke, nullify, abolish, abrogate, and rescind. These words all indicate something that was previously in force or effect is no longer valid. Cancel is the simplest and the most commonly used synonym, while nullify suggests undoing the effect of something. Invalidate and revoke imply that something previously had legal standing. Abolish and abrogate mean to take away a law or system. Rescind refers to formally cancelling a contract. The choice of synonym depends on the context of the sentence.
