apparition
1. [ noun ] (folklore) a ghostly appearing figure
Synonyms: phantom specter phantasm phantasma spectre
Examples:

"we were unprepared for the apparition that confronted us"

Related terms: spirit Flying_Dutchman
2. [ noun ] the appearance of a ghostlike figure
Examples:

"I was recalled to the present by the apparition of a frightening specter"

Related terms: appearance
3. [ noun ] an act of appearing or becoming visible unexpectedly
Examples:

"natives were amazed at the apparition of this white stanger"

Related terms: appearance appear
4. [ noun ] something existing in perception only
Synonyms: shadow phantom phantasma phantasm
Examples:

: "a ghostly apparition at midnight"

Related terms: illusion ghost flying_dutchman unidentified_flying_object
Similar spelling:   apparitional
  apportion
  aperitif
  apportioned
  aphaeretic