mysterious

Adjective

• having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding
  • mysterious symbols
    
  • the mystical style of Blake
    
  • occult lore
    
  • the secret learning of the ancients
    

• of an obscure nature
  • the new insurance policy is written without cryptic or mysterious terms
    
  • a deep dark secret
    
  • the inscrutable workings of Providence
    
  • in its mysterious past it encompasses all the dim origins of life- Rachel Carson
    
  • rituals totally mystifying to visitors from other lands
    

Related words

• Synonyms: 
  mystic , mystical , occult , secret , orphic , cryptic , cryptical , deep , inscrutable , mystifying