separatist Meaning, Definition & Usage

  1. noun an advocate of secession or separation from a larger group (such as an established church or a national union)
    separationist.
  2. adjective satellite having separated or advocating separation from another entity or policy or attitude
    fissiparous; breakaway.
    • a breakaway faction

WordNet

Sep`a*ra*tist noun
Etymology
Cf. F. séparatiste.
Definitions
  1. One who withdraws or separates himself; especially, one who withdraws from a church to which he has belonged; a seceder from an established church; a dissenter; a nonconformist; a schismatic; a sectary.
    Heavy fines on divines who should preach in any meeting of separatist . Macaulay.

Webster 1913