gainless

/ˈɡeɪnləs/
adjective
  1. Providing no benefit, profit, or advantage; useless or unproductive.
    • After hours of searching, the treasure hunt turned out to be gainless.
    • He realized that arguing with the stubborn customer was a gainless effort.
    • The company abandoned the gainless project after it failed to attract any investors.
What does "gainless" mean? | whatsthatwordmean | whatsthatwordmean