1.
ghost, specter, apparition
The spirit of a dead person that appears in the world of the living. Carries a literary or dramatic tone compared to more common words like お化け or 幽霊.
Usage
亡霊 has a more literary and dramatic tone than 幽霊 (ghost) or お化け (monster/ghost). It is often used in literature, drama, and figurative expressions. The word can also be used metaphorically to mean the lingering influence of something from the past.