Added 9 October 2026 aurelius noun Categories: PeopleRare Words noun ! Definition from WordNet 3.1, Princeton University. More about aurelius at Wordnik → Where our words come from → Emperor of Rome; nephew and son-in-law and adoptive son of Antonius Pius; Stoic philosopher; the decline of the Roman Empire began under Marcus Aurelius (121-180). Related Words: aurelianalbertusaureliaaetiusagustusalexiusaugustusaegidiusaugustineaëtiusalpheusaugust Back to today's word