Definition of communionist in English:

communionist

Pronunciation /kəˈmjuːnɪənɪst/

noun

  • 1With preceding modifying adjective, as "close communionist", "strict communionist", "open communionist", "free communionist", etc. A person (especially a Baptist) holding a particular view on the eligibility of worshippers to receive Communion.

  • 2historical, rare An advocate of or participant in communal living; a communist, a socialist; specifically = Owenite . Compare communional .

Origin

Early 19th century. From communion + -ist.