From WordNet (r) 3.0 (2006):
cryptic
adj 1: 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,
mystifying]
2: having a secret or hidden meaning; "cabalistic symbols
engraved in stone"; "cryptic writings"; "thoroughly sibylline
in most of his pronouncements"- John Gunther [syn:
cabalistic, kabbalistic, qabalistic, cryptic,
cryptical, sibylline]
3: having a puzzling terseness; "a cryptic note"