1: A religion where the adherents don't belong to one single religion, and more than likely pulls their beliefs from many different sources.

2: A religion where the adherents come up with their own personal philosophy.

Universal Universalism is an anarchist religion, compared to UUism, a liberal religion. One is not required to be an anarchist to be a Universal Universalist, it's just that the religion doesn't have any political leanings.

The short word for Universal Universalism is UnUnism(pronounced Yoon-Yoonism), due to UUism already being taken.