English to English

noun (n)

• a ghostly appearing figure(noun.person)

  Synonym:
  apparition, fantasm, phantasm, phantasma, phantom, specter
  

  source: wordnet30
• a mental representation of some haunting experience(noun.cognition)

  Synonym:
  ghost, shade, specter, spook, wraith
  

  source: wordnet30
• See Specter.(noun)

  source: webster1913