like or being a phantom; "a ghostly face at the window"; "a phantasmal presence in the room"; "spectral emanations"; "spiritual tappings at a seance"
A ghostly presence is the ghost or spirit of a dead person. the ghostly presences which haunt these islands. slightly frightening and seeming to be related to ghosts or spirits
Something that is ghostly seems unreal or unnatural and may be frightening because of this. The moon shone, shedding a ghostly light on the fields. Sonia's ghostly laughter