needlessly

adv

1. In a needless manner.
2. To a degree or extent beyond what is needed.

   “He was always needlessly anxious about his dog.”

   “At present that convenience is still needlessly expensive in Great Britain, and a scandalously stupid business conflict between telephone company and post-office delays, complicates, and makes costly and exasperating all trunk communications; but even under these disadvantages the thing is becoming a factor in the life of ordinary villadom.”

3. Without need.

   “He worried needlessly about his dog.”