purposelessly

The dead one's rifle lies purposelessly near the soaked one's feet.

The days were spent in the desert in wandering purposelessly in search of the Apaches, who had at length become invisible.

This went on so long, and apparently so purposelessly, that even the constant Si and Shorty were shaken a little by it.

Its legs struck out purposelessly, in horrible gestures of delirious suffering.

It seemed to be wandering purposelessly, but was actually seeking carrion to take back to its fellows.

She only floundered and flounced about in the water, struggling madly and purposelessly in the waves.