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archdiocese

American  
[ahrch-dahy-uh-sees, -sis] / ˌɑrtʃˈdaɪ əˌsis, -sɪs /

noun

  1. the diocese of an archbishop.

archdiocese British  
/ ˌɑːtʃˈdaɪəˌsiːs, ˌɑːtʃdaɪˈɒsɪsən, -sɪs /

noun

  1. the diocese of an archbishop

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of archdiocese

First recorded in 1835–45; arch- 1 + diocese

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Catholic Archdiocese of Denver, two Catholic parishes in Colorado and two parents, Dan and Lisa Sheley, filed suit, but lost in lower courts, prompting the appeal to the Supreme Court.

From Barron's • Apr. 20, 2026

The land was donated to the Catholic Archdiocese of Los Angeles in the 1950s by descendants of one of the city’s early oil barons.

From Los Angeles Times • Feb. 14, 2026

In 2022, the building was taken over by the Archdiocese of Salzburg and the Reicherberg Abbey, an Augustinian monastery.

From BBC • Nov. 28, 2025

Bryce became a teacher in the same Catholic school system that benefited him, the Archdiocese of Philadelphia.

From The Wall Street Journal • Nov. 15, 2025

“Your father, Our Father, haha—wait, no joke. He worked with the Catholics for Nonviolence of the Chicago Archdiocese, and they got me and Olivia an off-campus apartment of Saint Xavier’s to use for the weekend.”

From "A Heart in a Body in the World" by Deb Caletti

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.