archdiocese

noun

arch·​di·​o·​cese (ˌ)ärch-ˈdī-ə-səs 

-ˌsēs, 

-ˌsēz

plural archdioceses (ˌ)ärch-ˈdī-ə-sə-səz 

-ˌsē-zəz, 

-ˈdī-ə-ˌsēz

: the diocese of an archbishop

archdiocesan

ˌärch-dī-ˈä-sə-sən 

also -ˈdī-ə-ˌsē-sᵊn

adjective

Examples of archdiocese in a Sentence

Recent Examples on the Web

The archdiocese has opened four new schools in the last four years — and officials are considering opening more. — Lauren Costantino, Miami Herald, 25 July 2026

The archdiocese’s memorial is a powerful symbol of that transformation. — Geri McGinn Kerger, Chicago Tribune, 20 July 2026

Archbishop Shawn McKnight determined the allegation against James Zimmer to be credible following an investigation by the Independent Review Board, the archdiocese said in a statement posted on its website. — Judy L. Thomas, Kansas City Star, 14 July 2026

That bishop is Cardinal Blase Cupich, a Croatian American Midwesterner whom Pope Francis nominated in 2014 to take charge of the Chicago archdiocese. — René Ostberg, Encyclopedia Britannica, 2 July 2026

Word History

First Known Use

1762, in the meaning defined above

Rhymes for archdiocese

• amebiasis
• candidiasis
• cholelithiasis
• filariasis
• mydriasis
• pityriasis
• elephantiasis
• nephrolithiasis
• schistosomiasis
• urolithiasis
• psoriasis
• trypanosomiasis

Kids Definition

archdiocese

noun

arch·​di·​o·​cese (ˈ)ärch-ˈdī-ə-səs 

-ˌsēz, 

-ˌsēs

: the diocese of an archbishop