at-need

He never used to mind going without anything at need.

He may not be able to come to us at need.

Others would have to be able to enter at need.

We can read our positions from the stars and move at need.

You will be able to draw on funds at need.

She would be able to draw on his strength at need, to find him however far away he was.

The Dragon had said that it would come at need.

At need, I can talk more quickly than the best of you.

I look'd about, but found myself alone, Deserted at my need!

At need, however, he had done a smooth job of boring from within.