The variety of leg coverings this season seems virtually inexhaustible.

Introduction of fast neutron reactors, combined with seawater uranium extraction, would make the uranium supply virtually inexhaustible.

It is virtually inexhaustible.

Inefficient, it leaked vapor through seams and rope gaskets, but the power to create steam from water was virtually inexhaustible on the scale required here.

The announcement raised hopes of creating a cheap, virtually inexhaustible source of energy, but their claim is now viewed with extreme skepticism by many scientists.

Lancelot listened with that always grave courtesy that was so much a part of him, the patience that seemed virtually inexhaustible.

The young stallion's stamina was virtually inexhaustible, and he could run for most of the day without tiring.

The claim raised the prospect of a cheap, virtually inexhaustible source of energy.

As a constituent of water, resources of hydrogen are virtually inexhaustible; the problem however is extracting it.

Their resources are greater, as we all know, their navy is numerically stronger; their manpower is virtually inexhaustible.