American English

Definition of annul verb from the Oxford Advanced American Dictionary



annul somethingVerb Forms present simple I / you / we / they annul
he / she / it annuls
past simple annulled
-ing form annulling
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to state officially that something is no longer legally valid Their marriage was annulled after just two months.
annulment noun [countable, uncountable]
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See the Oxford Advanced Learner's Dictionary entry: annul