cryptic

a cryptic(al) remark

decode a cryptic message

he wrote cryptic notes in a cipher.

The new insurance policy is written without cryptic or mysterious terms. Something

She made a cryptic comment about how the film mirrored her life.

3) Geographic isolation may facilitate cryptic speciation of marine holoplankton.However,contribution of allopatric speciation is still questionable;

They're just so cryptic and secretive.

Nice little cryptic saying, as is typical of Kafka.

As is usual with the cryptic kingdom, no one really has a clue.

You're being cryptic now, father. Why don't you just say the word?

Yeah. Good for you! - Lots of cryptic words does it help?

And the others had to be content with this cryptic answer.

Muck diving is about searching for the unusual, the cryptic and the rare.

Well, you do that, it's was cryptic, so you do speaking code.

Some of his answers were so cryptic—as if he had a hidden agenda.

They were poets and provocateurs, writing cryptic messages on walls next to art galleries.