excommunicate

Etymology

From Ecclesiastical Latin, Late Latin excommunicātus, perfect passive participle of excommunicō (“put out of the community”). Displaced native Old English āmǣnsumian.

adj

1. Excommunicated.

noun

1. An excommunicated person.

verb

1. (transitive) To officially exclude someone from membership of a church or religious community.
2. (transitive, historical or figurative) To exclude from any other group; to banish.
   Although our Macs served us well, in those early, dark years Macintosh users were effectively excommunicated by the computer establishment. 1987, InfoWorld, volume 9, number 37, page 46