relentlessness

The relentlessness, and pace, of change in Washington, can be dizzying.

Even Bauman’s funniest musical bits get swallowed in the show’s frothy, frolicsome relentlessness.

Despite the relentlessness of their well-armed adversary, they show no signs of losing their resolve.

Mack showed with his playmaking and relentlessness in an intrasquad scrimmage that he’s going to fight to remain a regular part of the rotation.

Root's 262, also his highest Test score, was one of relentlessness and determination.