mislabor

/mɪsˈleɪbər/
verb
  1. To work or exert effort in a mistaken, wasteful, or unproductive way.
    • The team mislabored for weeks on a project that was never approved.
    • Don't mislabor over tasks that could be automated.
    • She realized she had mislabored by focusing on the wrong details.
Synonyms
What does "mislabor" mean? | whatsthatwordmean | whatsthatwordmean