Pronunciation (US) IPA (key): /ˈmɪʃəˌnɛriz/ (UK) IPA (key): /ˈmɪʃən(ə)riz/ Hyphenation: mis‧sion‧aries Noun Singular missionary Plural missionaries The plural form of missionary; more than one (kind of) missionary.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads