1. the state of being separate or isolated from others
2. the quality of being distinct or different

Examples

• The apartness of the mountain cabin made it perfect for a quiet retreat.
• She felt a sense of apartness from her classmates after moving to a new school.
• The apartness of the two cultures was evident in their different traditions.
• His apartness from the group was both deliberate and necessary for his work.
• The physical apartness of the islands created unique ecosystems.
• The apartness between the rich and poor neighborhoods was striking.