Indifferentism /(?)/

In·dif·fer·ent·ism

Indifferentism

n.
  1. State of indifference; lack 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.
    — Cardinal Manning.
  2. Same as Identism. (Metaph.)
  3. A heresy consisting in an unconcern for any particular creed, provided the morals be right and good. (R. C. Ch.)