arcane (n.)
arcane (adj.)
- abstract
- abstruse
- cabalistic
- censored
- classified
- close
- closed
- concealed
- cryptic
- dark
- deep
- eerie
- enigmatic
- esoteric
- extraterrestrial
- fey
- hermetic
- hidden
- hush-hush
- impenetrable
- inscrutable
- latent
- mysterious
- mystic
- mystical
- numinous
- occult
- otherworldly
- preternatural
- profound
- psychic
- recondite
- restricted
- secret
- smothered
- spiritual
- stifled
- superhuman
- supernatural
- supernormal
- suppressed
- transcendental
- transmundane
- ulterior
- unaccountable
- uncanny
- undisclosed
- unearthly
- unhuman
- unknowable
- unrevealed
- unspoken
- untellable
- untold
- unutterable
- unuttered
- unworldly
- weird
