1. decaying or crumbling gradually
Usage: British spelling

1. present participle of moulder: to decay or crumble gradually
Usage: British spelling

Examples

• The mouldering castle walls told stories of centuries past.
• Old books were mouldering in the damp basement.
• The abandoned house had mouldering wooden beams.
• Leaves were mouldering on the forest floor.
• The mouldering foundation needed immediate repair.
• Ancient manuscripts lay mouldering in forgotten archives.