inutilely

/ɪnˈjutəlli/
adverb
  1. In a way that is useless or ineffective; without producing any useful result.
    • He argued inutilely, as the decision had already been made.
    • The team worked inutilely on a plan that was never going to be approved.
    • She spent the afternoon inutilely trying to fix a broken clock.
Antonyms
What does "inutilely" mean? | whatsthatwordmean | whatsthatwordmean