Added 10 October 2026 missionary /ˈmɪʃ.əˌnɛɹ.ɪ/ noun Categories: PeopleEveryday Words In Latin: missiōnārius Wiktionary noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about missionary at Wordnik → Where our words come from → One who is sent on a mission. A person who travels attempting to spread a religion or creed (Particularly used in context of Christianity). A missionary was just trying to convert me to his religion. A religious messenger. adjective Relating to a (religious) mission. Related Words: missionerevangelistevangelicalpriestangelusmissionpromisinglawsuitexploratoryreconnaissanceupbeatpreacher Back to today's word