It is a rectangular slab, roughly 1.7 metres tall and relatively slender at 0.4 by 0.25 metres, oriented along a northwest to southeast axis. That orientation is a detail worth pausing on. Many standing stones across Ireland appear to have been positioned with deliberate attention to landscape, sight lines, or celestial events, though whether this particular stone was erected with any such purpose in mind is not recorded.

Standing stones are among the most enigmatic of Ireland's prehistoric monument types. Erected singly or in small groupings, they date broadly to the Bronze Age, though firm dating is rarely possible without excavation. Their functions remain genuinely unclear and were probably varied, ranging from territorial markers and commemorative monuments to points of ritual significance within a now-vanished cultural framework. The stone at Kilcully offers no inscriptions, no surrounding earthworks, and no surviving local tradition to narrow things down. What it does offer is presence: a worked piece of stone planted upright in the earth at some point in the distant past, now tilting at an angle that suggests either the gradual give of soft ground over millennia, or some more abrupt disturbance along the way.