Sentence Examples with the word let up

The foregoing experiments indeed, in some measure, decided this point, as much the greatest part of air let up into the tube lost its elasticity; yet, as some remained unabsorbed, it did not appear for certain whether that was of the same nature as the rest or not.

He never let up in spite of how I hollered and carried on.

With each passing hour, the hope that my wife and young Molly were alive diminished but to give credit where due, the searchers never let up in their fervor.

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She let up on the accelerator long enough to gain control of the vehicle.

To her credit, the little car wasn't meant for rough country, but Katie let up on the accelerator when the car started to bog down.