- Marcionite⇄adj. of or having to do with the Marcionites or Marcionism.
Ex. Marcionite heresies. - Marcionite⇄Marcionite, noun, adjective.
- Marcionite⇄noun a member or adherent of a Gnostic sect founded in Rome in the 100's A.D., which rejected most of the Bible and regarded the Biblical God as an imperfect divinity, the supreme God being manifested in Jesus Christ.