We would be asking for aid for all peoples against an implacable force we don't completely understand.

The invasion met an implacable, unbeatable force, and broke against it.

His large body's stomping momentum constituted an all but implacable force of nature.

Isn't television, for better or worse, part of our world, an implacable force outside our wishes that, like nuclear energy, we must learn to live with?

You feel the heavy, implacable force of the narrative without quite believing it.

The robots stopped in front of him, an implacable force, like prison guards ready to usher a prisoner to his execution.

Evil is powerful, implacable, a deadly force, certainly so, but it has no free will.

Yet we went on working, visiting, meeting, trying to ignore this gathering of implacable forces against us.

I recognize that there are large, implacable social and cultural forces at work here.

It was the stillness of an implacable force brooding over an inscrutable intention.