Noun
1. a ghostly appearing figure;
"we were unprepared for the apparition that confronted us"2. the appearance of a ghostlike figure;
"I was recalled to the present by the apparition of a frightening specter"3. something existing in perception only;
"a ghostly apparition at midnight"4. an act of appearing or becoming visible unexpectedly;
"natives were amazed at the apparition of this white stanger"