say it: MISH-uh-ner-ee
missionary is a noun and adjective meaning "someone who attempts to convert others to a particular doctrine or program". It carries 3 recorded senses.
relating to or connected to a religious mission
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for missionary come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.