Definition of Specter

Noun: specter spek-tur
Usage: US (elsewhere: spectre)

A mental representation of some haunting experience
"it aroused specters from his past";
- ghost, shade, spook, wraith, spectre [Brit, Cdn]
A ghostly appearing figure
"we were unprepared for the specter that confronted us";
- apparition, phantom, phantasm, phantasma, fantasm, spectre [Brit, Cdn]