Instead he felt as if he were busy fighting a silent war.

He knelt there, fighting a silent war for what seemed an eternity before he finally gave in.

Until now, the war that was going on has been a silent war.

The silent war in Europe was won not by armored invasion, but by people "voting with their feet."

The intensity of their silent private war was such that for a moment it appeared as if lightning might light the room.

Our enemies wage a silent war upon us, starving us of food.

Well, if that's the case we have a rather strange silent war going on, wouldn't you say?

Its approach is to carry out a silent war of extermination.

He could not say exactly when their silent war had erupted into open conflict.

They are mortal enemies to the Beastmen, and wage a silent war against them.