specter
/ˈspektər/Definitions
1. noun
a ghostly or supernatural being, typically the spirit of a dead person
“The old mansion was said to be haunted by the specter of its former owner.”
2. verb
to appear or be present as a ghostly or supernatural being
“The king’s specter was said to have appeared in the dreams of his enemies.”
3. noun
a person or thing that inspires fear or anxiety
“The threat of nuclear war was a specter that hung over the world for decades.”