No reason was given the agents who found it, only that they should observe complete secrecy.

The identity of the four sentenced to death is still not known, and their trial was held in complete secrecy.

There's a need for complete secrecy until after the summer.

If possible, she wanted to get on and off the island in complete secrecy.

So the trick was to get a satellite up there in complete secrecy.

It was a bold move, yes, but done in complete secrecy.

What I have to tell you must be heard under an oath of complete secrecy.

"What if I get the ship out in complete secrecy, sir?"

Our arrangements were made in complete secrecy; they have been totally successful.

"There is a task that must be done in complete secrecy."