Synonyms for Wasted effort:

• n.

  •Other relevant words: (noun)
  • waste of time,
  • wasted effort,
  • lost cause,
  • merry chase,
  • snipe hunt,
  • vain attempt,
  • bootless errand,
  • wasted labor,
  • wild goose chase,
  • wild-goose chase,
  • fool's errand.
  •wild-goose chase (noun)
  • red herring.

• Other synonyms:

  •Other relevant words:
  • get nowhere,
  • run in circles,
  • waste one's effort.