pointlessly

adv

1. Without point; in a pointless manner; so as to lack purpose or importance.

   “He sat there, pointlessly tossing the ball into the air and letting it fall, over and over.”

   “[…]as a result of which, the two scenarios in which the Harwich Force caught up with the battle while it was still going on were considered and brought forward into the main timeline, as it meant that both sides' light screening forces actually got to do something other than die pointlessly.”