futile

When he finally became president, Nixon walked away from that war to prolong a futile one half a world away.

At present it is largely engaged in the futile task of Sisyphus.

He found an occasional momentary satisfaction in burned cork, but the joy was futile, and impermanent.

They sat on their haunches in the snow, and grinned at the whip-crackings and futile "Mush, mush!"

For you stand or stray in the futile building, while the cloud is no mansion for man, and out of reach of his limitations.

Yes, to-day this seems a practical fact that already is being accomplished, and not a futile speculation.