unneedful

adj

1. Not needful.

   “At this, the men nearest unto the door came backwards in a surge, being put in sudden fear by reason of the Thing being so near; but the bo'sun held up a hand, bidding them, in a low voice, to make no unneedful noise.”

   “Again the donkey began to puff and quiver, the line began to roll up on the drum, and the big yarder walked up the slope under its own power, a locomotive unneedful of rails, making its own right of way.”