1. specter(n = noun.cognition) ghost, shade, spectre, spook, wraith - a mental representation of some haunting experience; "he looked like he had seen a ghost"; "it aroused specters from his past"
is a kind of apparition, fantasm, phantasm, phantasma, phantom, shadow
2. specter(n = noun.person) apparition, fantasm, phantasm, phantasma, phantom, spectre - a ghostly appearing figure; "we were unprepared for the apparition that confronted us"
is a kind of disembodied spirit, spirit
has particulars: flying dutchman
1. Something preternaturally visible; an apparition; a ghost; a phantom. [1913 Webster]
"The ghosts of traitors from the bridge descend,
With bold fanatic specters to rejoice." [1913 Webster]
2. The tarsius. [1913 Webster]
N demon, daemon, demonry, demonology, evil genius, fiend, familiar, daeva, devil, bad spirit, unclean spirit, cacodemon, incubus, Eblis, shaitan, succubus, succuba, Frankenstein's monster, Titan, Shedim, Mephistopheles, Asmodeus, Moloch, Belial, Ahriman, fury, harpy, Friar Rush, vampire, ghoul, afreet, barghest, Loki, ogre, ogress, gnome, gin, jinn, imp, deev, lamia, bogie, bogeyman, bogle, nis, kobold, flibbertigibbet, fairy, brownie, pixy, elf, dwarf, urchin, Puck, Robin Goodfellow, leprechaun, Cluricaune, troll, dwerger, sprite, ouphe, bad fairy, nix, nixie, pigwidgeon, will-o'-the wisp, ghost, revenant, specter, apparition, spirit, shade, shadow, vision, hobglobin, goblin, orc, wraith, spook, boggart, banshee, loup-garou, lemures, evil eye, merman, mermaid, merfolk, siren, satyr, faun, manito, manitou, manitu, possession, demonic possession, diabolic possession, insanity, Maxwell's demon, demoniac, demonic, demonical, impish, demoniacal, fiendish, fiend-like, supernatural, weird, uncanny, unearthly, spectral, ghostly, ghost-like, elfin, elvin, elfish, elflike, haunted, pokerish, possessed, possessed by a devil, possessed by a demon, demonically.
N ugliness, deformity, inelegance, acomia, disfigurement, want of symmetry, inconcinnity, distortion, squalor, forbidding countenance, vinegar aspect, hanging look, wry face, spretae injuria formae, eyesore, object, witch, hag, figure, sight, fright, monster, dog, woofer, pig, octopus, specter, scarecrow, harridan, satyr, toad, monkey, baboon, Caliban, Aesop, monstrum horrendum informe ingens cui lumen adempt, ugly, ugly as sin, ugly as a toad, ugly as a scarecrow, ugly as a dead monkey, plain, bald (unadorned), homely, ordinary, unornamental, inartistic, unsightly, unseemly, uncomely, unlovely, unshapely, sightless, seemless, not fit to be seen, unbeauteous, unbeautiful, beautiless, semibeautiful, shapeless, misshapen, misproportioned, monstrous, gaunt, dumpy, curtailed of its fair proportions, ill-made, ill- shaped, ill-proportioned, crooked, hard featured, hard visaged, ill-favored, hard-favored, evil-favored, ill-looking, unprepossessing, unattractive, uninviting, unpleasing, graceless, inelegant, ungraceful, ungainly, uncouth, stiff, rugged, rough, gross, rude, awkward, clumsy, slouching, rickety, gawky, lumping, lumpish, lumbering, hulky, hulking, unwieldy, squalid, haggard, grim, grim faced, grim visaged, grisly, ghastly, ghost like, death like, cadaverous, grewsome, gruesome, frightful, hideous, odious, uncanny, forbidding, repellant, repulsive, repugnant, grotesque, bizarre, grody, grody to the max, horrid, horrible, shocking, foul, dingy, gaudy, disfigured, discolored.
N dimsightedness, dim sight, dull sight half sight, short sight, near sight, long sight, double sight, astigmatic sight, failing sight, dimsightedness, purblindness, lippitude, myopia, presbyopia, confusion of vision, astigmatism, color blindness, chromato pseudo blepsis, Daltonism, nyctalopia, strabismus, strabism, squint, blearedness, day blindness, hemeralopia, nystagmus, xanthocyanopia, xanthopsia, cast in the eye, swivel eye, goggle-eyes, obliquity of vision, winking, nictitation, blinkard, albino, dizziness, swimming, scotomy, cataract, ophthalmia, blinker, screen, deceptio visus, refraction, distortion, illusion, false light, anamorphosis, virtual image, spectrum, mirage, looming, phasma, phantasm, phantasma, phantom, vision, specter, apparition, ghost, ignis fatuus, specter of the Brocken, magic mirror, magic lantern, mirror lens, dim-sighted, myopic, presbyopic, astigmatic, moon-eyed, mope-eyed, blear-eyed, goggle-eyed, gooseberry-eyed, one-eyed, blind of one eye, monoculous, half-blind, purblind, cock-eyed, dim-eyed, mole- eyed, dichroic, blind as a bat, winking.