sabbatarian Meaning, Definition & Usage

  1. noun one who observes Saturday as the Sabbath (as in Judaism)
  2. adjective pertaining to the Sabbath and its observance

WordNet

Sab`ba*ta"ri*an noun
Etymology
L. Sabbatarius: cf. F. sabbataire. See Sabbath.
Definitions
  1. One who regards and keeps the seventh day of the week as holy, aggreeably to the letter of the fourth commandment in the Decalogue. ✍ There were Christians in the early church who held this opinion, and certain Christians, esp. the Seventh-day Baptists, hold it now.
  2. A strict observer of the Sabbath.
Sab`ba*ta"ri*an adjective
Definitions
  1. Of or pertaining to the Sabbath, or the tenets of Sabbatarians.

Webster 1913