pagan religion
Noun
Meaning
any of various religions other than Christianity or Judaism or Islamism
Source: WordNetSynonyms
Hypernyms
Hyponyms
Examples
It is not classified as a pagan religion. The so-called New Age activities and this are not called religions and therefore don't come under the prohibition of mingling church and state that we have in this country.
Darwinism is a pagan religion whose roots go back to the Sumerians and Ancient Egypt.