You searched for: “ghostly
ghastly, ghostly
ghastly (GAST lee) (adjective)
Terrifying, frightening, horrifying, or extremely unpleasant: When the car windows were opened, the passengers wanted to know what the ghastly smell coming from outside was.
ghostly (GOHST lee) (adjective)
1. Characterized by a shadowy, spectral appearance: It felt as if there were a mysterious or ghostly presence in the room.
2. A reference to a hint, or to a shadowy trace, of something: A ghostly smile flickered across his face at the discomfiture of William's guests when a wail echoed through the building.

It was a ghastly experience being frightened by the ghostly appearance of Marla's long dead grandfather.