It seemed to Picard that some unspoken signal had passed between them.

As if on an unspoken signal, they both turned back toward the Great Lawn.

He and Max began to walk again, cued by some unspoken signal.

It was as if, on some unspoken signal, they had assembled to witness something momentous.

His quick turn had surprised an unspoken signal in the man's heavy-lidded eyes.

At his unspoken signal, the drumming picked up in tempo.

By unspoken signal, they moved as a group to the briefing room.

The others, knowing the unspoken signal, excused themselves and went to work.

The Directorate officers, however were seated, each looking at the other, as if waiting for an unspoken signal.

An unspoken signal rippled through the company, leaving silence in its wake.