not a ghost of a chance Definition

ghost
noun

1. The spirit of a dead person when it is visible in some form to a living person. See also spectre.

Thesaurus: apparition, vision, specter, spirit, soul, demon, shade, phantom, spook, phantasm, wraith.
2. A suggestion, hint or trace.
3. A faint shadow attached to the image on a television screen.

verb

tr & intr
ghosted, ghosting
1. To be a ghost writer for a person or of (some written work).

Idiom: not a ghost of a chance

No chance at all.

Idiom: give up the ghost

See under give.

Etymology: Anglo-Saxon gast.