mysterious Synonyms

occult secret cryptic mystic obscure inscrutable mystical mystifying incomprehensible baffling cryptical curious spooky uncanny deep unaccountable eerie esoteric enigmatic enigmatical strange bizarre peculiar puzzling hidden perplexing ambiguous dark unintelligible unfathomable arcane bewildering unknown unearthly weird unsearchable unusual unheard unbeknown vague veiled transcendental tranced secretive shadowy shamanic sibylline sorcerous spectral spiritualistic