fruitless
1. [ adjective ] unproductive of success
Synonyms: futile vain sleeveless bootless
Examples:

"a fruitless search" "futile years after her artistic peak" "a sleeveless errand" "a vain attempt"

Related terms: unproductive
Similar spelling:   fruitlessly
  fruitlet
  Friddle
  Friedl
  fraudulent
  Fridley
  fraudulence