The pains, though still at lengthy intervals, were becoming more severe now.

After a lengthy interval, he said, "Forget about it."

After what seemed like an indecently lengthy interval, the bed and its occupants finally made their last groans together.

He waited a lengthy interval for a reply but Taen volunteered nothing.

She sat in silence for another lengthy interval before speaking again.

During that lengthy interval, women do not contribute to Social Security.

All new models were produced but at more lengthy intervals.

He looked about as you'd expect a man to look after being imprisoned for a lengthy interval in a ruined cellar.

There passed another lengthy interval during which no one spoke.

Now that Giskard knew he was wanted, he would wait a lengthy interval, perhaps indefinitely.