The Collaborative International Dictionary
Adiaphorist
Adiaphorist \Ad`i*aph"o*rist\, n. [See Adiaphorous.] (Eccl.
Hist.)
One of the German Protestants who, with Melanchthon, held
some opinions and ceremonies to be indifferent or
nonessential, which Luther condemned as sinful or heretical.
--Murdock.
Wiktionary
adiaphorist
n. One of the German Protestants, condemned as heretics by Luther, who held some religious doctrines and ceremonies as indifferent.