Yet it comes as other forces are also weakening Microsoft's grip on desktop computers.

Each kind of eagle has its sacred site in whose sanctuary dark forces weaken and lose their grip.

This force rapidly weakens if the two objects move away from each other.

Kyle soaked the stones around him with his thoughts, feeling the forces of gravity weaken then reverse.

If the French forces facing him weakened, he was to move south on Mantua.

The mountain continued to build in this manner until the force within the volcano weakened and no more new domes formed.

The force in front had weakened, however, both in numbers and in morale.

A blow from these had opened the door, though it looked like the force of each kick was weakening.

After a few seconds, I could feel the force of my pounding fists weaken.

While the reputation for corruption did little to diminish its effectiveness, other forces have weakened the union.