From Longman Dictionary of Contemporary Englishannulan‧nul /əˈnʌl/ verb (annulled, annulling) [transitive] DIVORCEto officially state that a marriage or legal agreement no longer exists Their marriage was annulled last year.► see thesaurus at cancelGrammar Annul is often passive. —annulment noun [countable, uncountable]→ See Verb table
Examples from the Corpus
annul• If the tribunal upholds the appeal, then last Sunday's race, won by Senna, would be annulled.• A military junta had just overthrown the constitutional government and annulled a recently held presidential election.• They were married in 1930 and the marriage was annulled in 1933.• A non-Catholic who is married to a non-Catholic can have that marriage annulled in order to be baptized and marry a Catholic.• Three days after the poll, Gen Noriega annulled the elections.• A constitutional court could not have prevented dictatorship by annulling the law.From Longman Business Dictionaryannulan‧nul /əˈnʌl/ verb [transitive] LAW to officially state that an official decision or a contract is no longer validThey are seeking to have the bankruptcy order annulled.→ See Verb tableOrigin annul (1300-1400) Old French annuller, from Late Latin annullare, from Latin ad- “to” + nullus “not any” 