In*dif"fer*ent*ism (?), n. [Cf. F. indiff'erentisme.]
State of indifference; want of interest or earnestness; especially, a systematic apathy regarding what is true or false in religion or philosophy; agnosticism.
The indifferentism which equalizes all religions and gives equal rights to truth and error.
Same as Identism.
3. R. C. Ch.
A heresy consisting in an unconcern for any particular creed, provided the morals be right and good.
© Webster 1913.