definition of
spectre

[1] #1 spectre n. [apparition, phantom, phantasm, phantasma, fantasm, specter] a ghostly appearing figure; "we were unprepared for the apparition that confronted us". wn

[2] #2 spectre n. [ghost, shade, spook, wraith, specter] a mental representation of some haunting experience; "he looked like he had seen a ghost"; "it aroused specters from his past". wn