heathendom

noun4

1. •
   The state of being heathen.

   • The priest argued to the king that unless clerics accompanied the colony ship, the colony would soon descend into heathendom and barbarity.
2. •
   From one religion's or creed's perspective, the rest of the world that does not follow that creed or religion.

   • My aunt considered all of Europe to be heathendom, and refused to visit us in Amsterdam on religious grounds.
3. •
   (old-fashioned) Specifically, the non-Christian world; territories where Christianity is not the dominant religion.

   • The Crusaders meant to wrest Jerusalem from heathendom, but they managed to pillage a number of lands in Christendom along the way.
4. •
   The collection of people who follow Heathenry, a modern pagan faith inspired by the pre-Abrahamic religions of Germanic tribes, Anglo-Saxons and Norse peoples.

   • Ziegenbalg mentioned some major forms of heathendom (African, American, old European)[…] — 2011