ˌadēˈafəˌrän, -_rən noun
( plural adiapho·ra -_rə)
Etymology: Greek, from neuter of adiaphoros indifferent, from a- a- (II) + diaphora difference, from diapherein to carry across, bear to the end, make a difference, from dia- + pherein to bear — more at bear
1. Stoic philosophy : a matter having no moral merit or demerit
2. : a religious ceremonial or ritual observance that is held to be an affair of the individual conscience because it is neither forbidden nor enjoined by the scriptures