a disembodied soul; esp the soul of a dead person haunting the living
a faint shadowy trace
a ghost of a smile
the least bit
I didn't have a ghost of a chance
a false image in a photographic negative or on a television screen
give up the ghost
to die
said of an engine, machine, etc: to fail or wear out
[derived from the biblical account of Christ's death (Matthew 27:50): ‘Jesus, when he had cried again with a loud voice, yielded up the ghost.’]ghostlike adj
Old English gāst. The h was added in the 16th cent., prob from Flemish gheest: see ghastly