aimlessly

Adverb

1. Without an aim, purpose or direction; in an aimless manner.
   • He wandered aimlessly through the crowd.
   • Half a dozen deserted boats pitched aimlessly upon the confusion of the waves. - 1898, H.G. Wells, The War of the Worlds, London: William Heinemann, page 103:
   • But now, as I strolled out on the lawn, still nursing a grudge against my friend’s high-handedness, I saw Lawrence on the croquet lawn, aimlessly knocking a couple of very ancient balls about, with a still more ancient...