apparition
A person or other being with a shadowy, ephemeral, usually see-through form. They might be a ghost, a memory, an astral projection, or for some other reason look like they're not "fully there".
Examples
A person or other being with a shadowy, ephemeral, usually see-through form. They might be a ghost, a memory, an astral projection, or for some other reason look like they're not "fully there".
