Adiaphorists (Adiaph`orists) , Lutherans who in 16th century maintained that certain practices of the Romish Church, obnoxious to others of them, were matters of indifference, such as having pictures, lighting candles, wearing surplices, and singing certain hymns in worship.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Adi Granth * Ad`ige