Definify.com

Webster 1913 Edition

Noun.

(Theol.)

One who regards Father, Son, and Spirit as modes of being, and not as persons, thus denying personal distinction in the Trinity.

Eadie.

modalist ‎(not comparable)

of or pertaining to modalism

modalist ‎(plural modalists)

A believer in modalism.
(Can we find and add a quotation of Eadie to this entry?)