Wiktionary
ghostliest
a. (en-superlative of: ghostly)
WordNet
ghostliest
See ghostly
ghostly
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, ghostlike, phantasmal, spectral, spiritual]
[also: ghostliest, ghostlier]