unearthly (adj.)
- abnormal
- absurd
- airy
- angelic
- arcane
- astral
- balmy
- beatific
- beatified
- bizarre
- blessed
- blue
- bodiless
- cadaverous
- celestial
- crazy
- creepy
- curious
- deadly
- deathlike
- deathly
- disembodied
- doubtable
- doubtful
- dubious
- dubitable
- eccentric
- eerie
- eldritch
- esoteric
- ethereal
- extraordinary
- extrasensory
- extraterrestrial
- fantastic
- fey
- freaky
- funny
- ghastly
- ghostlike
- ghostly
- glorified
- godlike
- godly
- good
- grisly
- gruesome
- haggard
- heavenly
- holy
- immaterial
- impalpable
- implausible
- imponderable
- inconceivable
- incorporate
- incorporeal
- incredible
- insane
- insubstantial
- intangible
- kooky
- livid
- loony
- lurid
- macabre
- miraculous
- mortuary
- mysterious
- nonmaterial
- nonphysical
- numinous
- occult
- odd
- off
- otherworldly
- out
- outlandish
- outrageous
- pale
- paradisaic
- paradisal
- paradisiac
- peculiar
- phantom
- preposterous
- preternatural
- problematic
- psychic
- psychical
- pure
- quaint
- queer
- questionable
- ridiculous
- righteous
- saintlike
- saintly
- seraphic
- shadowy
- silly
- singular
- spectral
- spiritual
- spooky
- strange
- sublime
- superhuman
- superior
- supernal
- supernatural
- supernormal
- suspect
- suspicious
- tall
- thick
- thin
- transcendental
- transmundane
- unbelievable
- uncanny
- unconvincing
- unembodied
- unextended
- ungodly
- unheard-of
- unhuman
- unimaginable
- unnatural
- unreal
- unreasonable
- unsubstantial
- unthinkable
- unusual
- unworldly
- wacky
- wan
- weird