<p><strong>Noun:</strong></p><ul><li>a member of a Christian denomination that baptizes believers by immersion and that is usually Calvinistic in doctrine</li><li>(lowercase) a person who baptizes</li><li>the Baptist</li><li>John the Baptist</li></ul><p><strong>Adjective:</strong></p><ul><li>of or relating to Baptists or their doctrines or practices</li></ul>