Obs. rare. [f. SUPREME a. + -IST.] One who takes upon himself supreme authority.
1649. Heylin, Relat. & Observ., II. 200. The Junto of Tituler Supremists at Westminster … are very unwilling to quit their long-held Dominion.
1651. C. Walker, Hist. Independ., III. 18. Our Self-created Supremists.
