• noun:   a mental representation of some haunting experience

  Example: "He looked like he had seen a ghost"

• noun:   the visible disembodied soul of a dead person
• noun:   a writer who gives the credit of authorship to someone else
• noun:   a suggestion of some quality

  Example: "He detected a ghost of a smile on her face"

• verb:   write for someone else

  Example: "How many books have you ghostwritten so far?"

• verb:   move like a ghost

  Example: "The masked men ghosted across the moonlit yard"

• verb:   haunt like a ghost; pursue

Related words...