sliding

In France, parents pay for their childcare on a sliding scale based on their income—the rest is subsidized by the government.

The big crane on the end of the mole was now on the Estremedura's quarter, and they were sliding into the mouth of the harbour.

Then he sends his shuttle, containing a bobbin full of thread, sliding across over the odd threads and under the even.

Walking giddily along the unstable, sliding earth, she allowed him to guide her to the old stone seat on the south terrace.

He straightened himself as he caught sight of Barrant, and opened the sliding window.

Sliding, as an art, is of recent growth, though it has long been the practice of base-runners to drop to avoid being touched.