1. the quality or state of being ancient; great age

Examples

• The ancientness of the ruins impressed all the visitors.
• Scholars debated the ancientness of the manuscript.
• The tree’s ancientness was evident from its massive trunk.
• The ancientness of the tradition made it sacred to the community.
• Despite its ancientness, the building remained structurally sound.
• The ancientness of the civilization fascinated archaeologists.