to punish someone by officially stating that they can no longer be a member of a Christian Church, especially the Roman Catholic Churchverbjump to other results
NAmE//ˌɛkskəˈmyunəˌkeɪt//excommunicate somebody (for something)Verb Forms present simple I / you / we / they excommunicate
he / she / it excommunicates
past simple excommunicated
-ing form excommunicating
excommunicationjump to other results
NAmE//ˌɛkskəˌmyunəˈkeɪʃn//noun [uncountable, countable] They were threatened with excommunication.