Source : Webster's Revised Unabridged Dictionary (1913)

Ghostlike \Ghost"like`\, a.
   Like a ghost; ghastly.

Source : WordNet®

ghostlike
     adj : like or being a phantom; "a ghostly face at the window"; "a
           phantasmal presence in the room"; "spectral
           emanations"; "spiritual tappings at a seance" [syn: {apparitional},
            {ghostly}, {phantasmal}, {spectral}, {spiritual}]