1ghost 
/ˈgoʊst/ noun
plural ghosts /ˈgoʊst/ noun 1 [count] : the soul of a dead person thought of as living in an unseen world or as appearing to living people
▪ a house haunted by ghosts ▪ He looks like he's just seen a ghost. [=he looks frightened] — sometimes used figuratively ▪ She is still haunted by the ghosts of her past. [=she is still troubled by bad memories of the past] 2 [singular] : a very small amount or trace — usually + of ▪ I thought I detected the ghost of a smile [=a very faint smile] on her lips. ▪ He doesn't have/stand a ghost of a chance of winning. [=he has no chance of winning]
▪ a house haunted by ghosts ▪ He looks like he's just seen a ghost. [=he looks frightened] — sometimes used figuratively ▪ She is still haunted by the ghosts of her past. [=she is still troubled by bad memories of the past]
give up the ghost
informal : to die — often used figuratively ▪ After years of service my car finally gave up the ghost.
