arcane Synonyms - page 2

clandestine classified complex complicated concealed covert cryptic cryptical dark byzantine baffling acroamatic alchemical alchemistic ambiguous anagogic arcana arcanum astrological backdoor backstairs darkling deep hyperphysical impenetrable inaccessible incantatory incognizable incomprehensible indecipherable inexplicable inscrutable investigable holocryptic hidden delphian delphic dense difficult enigmatic enigmatical esoteric esoterically esotericism hermetic involved