Breadcrumb Home > Thesaurus > D Synonyms of diocletian Find synonyms for: Noun 1. Diocletian, Gaius Aurelius Valerius Diocletian usage: Roman Emperor who when faced with military problems decided in 286 to divide the Roman Empire between himself in the east and Maximian in the west; he initiated the last persecution of the Christians in 303 (245-313) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of diocletian (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: crepuscular Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language