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 • Syn: cryptic, cryptical, deep, inscrutable, mysterious • Similar to: inexplicable, incomprehensible • Derivationally related forms: mystery (for: mysterious), inscrutability (for: inscrutable)
