spectral (adj.)
- airy
- apparent
- apparitional
- astral
- autistic
- bicolor
- bicolored
- cadaverous
- chimeric
- chromatic
- cold
- colorful
- cool
- crazy
- daedal
- deathlike
- deceptive
- delusional
- delusive
- delusory
- dichromatic
- disembodied
- dreamlike
- dreamy
- eerie
- erroneous
- ethereal
- fallacious
- false
- fantastic
- ghostlike
- ghostly
- glowing
- harmonious
- illusional
- illusionary
- illusive
- illusory
- imaginary
- incorporeal
- kaleidoscopic
- matching
- misleading
- monochromatic
- monochrome
- monochromic
- motley
- multicolor
- multicolored
- ostensible
- phantasmagoric
- phantasmal
- phantom
- polychromatic
- polychrome
- polychromic
- prismatic
- psychic
- seeming
- shadowy
- shot
- specious
- spiritual
- spooky
- supernatural
- supposititious
- tingent
- trichromatic
- tricolor
- unearthly
- unfounded
- unreal
- unsubstantial
- varicolored
- variegated
- visionary
- warm
- weird
- wraithlike
