resembling or characteristic of a phantom; "a ghostly
face at the window"; "a phantasmal presence in the room"; "spectral emanations"; "spiritual tappings at a seance" Synonym(s):apparitional, ghostlike, ghostly, phantasmal, spectral, spiritual
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Ghostlike \Ghost"like`\, a.
Like a ghost; ghastly.