Cryptic

1. adjective

   having a secret or hidden meaning; ; ; - John Gunther

   “cabalistic symbols engraved in stone”

   Similar: cabalistic, kabbalistic, qabalistic, cryptical, sibylline

2. adjective

   of an obscure nature; ; ; ; - Rachel Carson

   “the new insurance policy is written without cryptic or mysterious terms”

   Similar: cryptical, deep, inscrutable, mysterious, mystifying

3. adjective

   having a puzzling terseness

   “a cryptic note”