Many streams descend from the ravines only to wither away on the desert basin floors before uniting in a trunk river along the axis of a depression; others succeed in uniting in the winter season, when evaporation is much reduced, and then their trunk flows for a few score miles, only to disappear by sinking (evaporating) farther on.
The workers ' state would gradually wither away altogether.
With their withering away the state will also withering away the state will also wither away.
They hoped services would cause poverty to wither away.
With their withering away the state will also wither away.