1. Relating to a diocese.

2. A bishop; one in possession of a diocese, and having ecclesiastical jurisdiction over it.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• diocesis,
• diocean,
• diocescan,
• diocesean,
• dioces,
• dinoceras,
• siocesan,
• xiocesan,
• ciocesan,
• fiocesan,
• riocesan,
• eiocesan,
• diocssan,
• dioceasan,
• diocsean,
• dyocesan,
• diocesen,
• circeean,
• dodecan,
• doomesman

• discussant,
• discussion,
• diocese.

The adjective form of the word "diocesan" is "diocesan".

The plural form of the word "diocesan" is "diocesans"

The singular form of the word "diocesan" is "diocese"