fall away

The engines are designed to fall away in a sharp impact and would fall like bombs.

It had begun to fall away five nights ago, when he had heard what passed between Madame de Condillac and Valerie.

It plowed on through the gravel, which shot up all round, and then the end of the bank seemed to fall away.

See them in their true light and their power will fall away from them.

For it is better not to vow in childhood, lest afterwards the grown man should foully fall away.

If only the whole of Mrs. Mary Ann's room would fall away from them—leave them, just Deirdre and he, together.