IPA: //ˈɡoʊstliər//
KK: /ˈɡoʊstliər/
Having a more ghost-like or spectral quality than something else.
The ghostlier figure seemed to float above the ground, barely visible in the moonlight.
Comparative: ghostlier
Superlative: ghostliest
Ghostlier → It is formed from "ghost" (from Old English *gāst*, meaning spirit or soul) and the suffix "-lier" (a comparative suffix indicating more). The word "ghostlier" means more like a ghost or spirit in nature.
Think of the word 'ghost' as a spirit, and remember that 'ghostlier' means more like a spirit.