Synonyms for Labor in vain:

• Other synonyms:

  •uselessness
  • futility.
  •Other relevant words (noun):
  • wild-goose chase,
  • not work,
  • lost,
  • lose,
  • flunk out,
  • fail,
  • be found wanting,
  • bootless errand,
  • tilt at windmills,
  • flunk,
  • be unsuccessful,
  • fail of success,
  • come to grief,
  • go bankrupt,
  • snipe hunt,
  • waste of time.