what does a ghost of a smile mean? 1)“A ghost of a smile twitched the dry corners of his cracked lips.” 2)“The ghost of a smile hovered on Raymond’s lips while the Inspector went on:” 3)“Siobhan's eyes lit up, and for the first time since I'd known her, the faint ghost of a smile broke wide open.” 4)““That's nothing,” said Enrico; “it was the glassblowers of Venice who taught them how,” and not a ghost of a smile came across his fine, burnt-umber face.”5)“His ingenuous answer would be, as the ghost of a smile flits across his mobile lips -- "Yea,” 6)“The proof was that the ghost of a smile flitted over the dosser’s face and a mischievous gleam came into his eyes.”7)“The ghost of a smile flickered on the ex-convict’s lips.” ===================================================================== I looked up "the definition in the internet and found the site... Thank you!