1. (a.) Of or pertaining to a specter; ghosty.

2. (a.) of or pertaining to the spectrum; made by the spectrum; as, spectral colors; spectral analysis.

Barmecidal Barmecide airy apparent apparitional astral autistic bicolor bicolored cadaverous chimeric chromatic cold colorful colorific coloring colory cool corpselike crazy daedal deathlike deceptive delusional delusionary delusive delusory dereistic dichromatic disembodied divers-colored dreamlike dreamy ectoplasmic eerie erroneous ethereal etheric fallacious FALSE fantastic ghostish ghostlike ghostly ghosty glowing harlequin harmonious illusional illusionary illusive illusory imaginary incorporeal kaleidoscopic many-colored matching medley misleading monochromatic monochrome monochromic motley multicolor multicolored multicolorous ostensible parti-color parti-colored phantasmagoric phantasmal phantasmic phantom phantomic phantomlike pigmentary polychromatic polychrome polychromic prismal prismatic psychic rainbow seeming self-deceptive self-deluding shadowy shot shot through specious specterlike spiritual spooky supernatural supposititious thunder and lightning tinctorial tingent toning trichromatic trichromic tricolor tricolored two-tone unactual unearthly unfounded unreal unsubstantial varicolored variegated versicolor versicolored visionary warm weird wraithlike wraithy