[f. as prec. + -IST.]
1. One who believes in the consubstantiality of the three Persons of the Godhead.
1736. Chandler, Hist. Persec., 98. The consubstantialists reproached their adversaries as Heathens.
175860. Jortin, Erasm., I. 610. Arius ill used by the Consubstantialists.
2. One who holds the doctrine of consubstantiation.
a. 1655. Vines, Lords Supp. (1677), 123. As the Consubstantialist, or Lutheran saith.
a. 1677. Barrow, Serm., Wks. 1686, II. 443. Errours, such as that of the Lutheran Consubstantialists, and of the Roman Transubstantiators.