pall, cloud, towering, twilight, darkness, specter, casts, glow, dreamworld, greyness, murk, cobweb, thunderhead, doubt, murkiness, glare, haze, presentiment, klieg light, mirror, mists, horizon, ghost, miasma, firmament, microscope, scrutiny, wisp, cloak, twilight zone, penumbra, golden glow, gaze, mirage, rheumy, pallor, hulking, gray, sunbeam, rearview mirror, visage, spotlight, obscurity, shroud, vortex, moonbeam, glowworm, illusion, norse deity, pockmark, magnifying glass, bogeyman, rainbow, reproach, ineffectualness, remnant, tutelage, gnomon, gloaming, abyss, raincloud, misty, scrim, nothingness, starry, halo, umbra, goldfish bowl, gaslit, pretender, moonscape, whisp, caldron, wraith, snowcapped, shade, blackness, netherworld, tutelary, shambles, colossus, sky, battlement, antipode, gloom, alpenglow, periphery, looms, brownism, dimness, putridity, semidarkness, eyrie, fog, zodiacal light, light, flickers, foreboding, insignificance, impregnability, afterglow, emptiness, shadows, smudge, patch, puff, blob, clouds, dark, blobs, gash, quiver, silhouettes, speck, splash, swirls, veil, bruise

flying saucer, spectre, spook, ufo, unidentified flying object

., deep, february 2, fill in, gnomon, groundhog day, object, overshadow, penumbra, penumbral, physical object, shade, shaded, shade off, silhouette, stipple, sundial, umbra, unshaded, unshadowed, weird

bedim, boding, clew, clue, command, cue, dominate, follow, follower, obscure, overcloud, overlook, overtop, premonition, recourse, refuge, resort, scene, semblance, shadiness, shadowiness

apparition, dwarf, phantom, tail, trace, vestige