Home › Words › S › seleucianseleucian/sɪˈl(j)uːsɪən/seleucian · adj — synonym of Seleucid.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, seleucian ranks #33,149 of 43,057 for Qualifying.seleucian is pronounced /sɪˈl(j)uːsɪən/.EtymologyFrom Seleucus + -ian.adjSynonym of Seleucid.nounA native or inhabitant of Seleucia.Definitions & examples from Wiktionary (CC BY-SA 3.0).