His instructions were cryptic. He said only to wait until we felt certain the answer was clear.
<puzzled by the cryptic e-mail message left on his computer>
… his hectic characters either communicate in choppy or cryptic exchanges or rattle on in breathless recitations full of contradictions and asides. —Donna Seaman, Booklist, 15 Mar. 1994
Since Hughes's poems contained neither Eliot's footnotes nor Ezra Pound's cryptic orientalism, many critics and editors assumed the poet unintelligent and his work raw or, at best, slight. —Rita Dove, New York Times Book Review, 9 Oct. 1988
The remark seemed cryptic to Philip, but when he heard her say it two or three times to different persons, and found that it aroused hearty agreement, he came to the conclusion that it was only obscure to his own intelligence. —W. Somerset Maugham, Of Human Bondage, 1915