WordNet: cryptic, cryptical, deep, inscrutable, mysterious, mystifying

Sanatista
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"



cryptic


cryptical


deep


inscrutable


mysterious


mystifying