Definition of ante-Nicean in English:

ante-Nicean

(also ante-Nicaean)

adjective

  • Existing or occurring before the first Council of Nicea (a.d. 325).

noun

rare
  • An ante-Nicaean writer (rare).

Origin

Mid 18th century; earliest use found in Viscount Bolingbroke (1678–1751), politician, diplomatist, and author.