Home › Words › M › misthermisther/ˈmɛ̈s.t̪͆əɹ/misther means ulster.Among words judged in Lexicurio's Arena, misther ranks #28,858 of 42,749 for Qualifying.misther is pronounced /ˈmɛ̈s.t̪͆əɹ/.EtymologyFrom standard mister.nounUlstere.g.“Now, Misther Scanlan, proceed.” — 1892, William Carleton, Amusing Irish Tales:Definitions & examples from Wiktionary (CC BY-SA 3.0).