CONGREGATIONAL /kɒŋɡɹəˈɡeɪʃənəl/ Scrabble 18 Words With Friends 24 Definition adjective relating to or conducted or participated in by a congregation. adjective of or pertaining to or characteristic of a Congregational church. — synonyms: Congregationalist See all 1512 words you can make from CONGREGATIONAL → 14-letter words Words starting with C Words ending with L ← Unscramble different letters