Despite their lack of information, the silence from his ship spoke volumes.

Her pointed silence on this issue, over all others, speaks volumes.

Laurence gave the man a cold, steady look, and let silence speak for him.

A long, clean silence, and then it spoke again, its final words.

The total silence from anyone in the business department on this issue speaks volumes.

The other man did not answer, letting silence speak for him.

A time to keep silence and a time to speak.

That doesn't mean anything good or bad, but even silence may speak volumes when issues such as this are uncovered.

When she was through, the silence in the theatre spoke volumes.

Another silence, and then the first voice spoke again.