What does the word fruitless mean?

Usage examples for fruitless

  1. They were altogether barren and fruitless professors. – The Works of John Bunyan Volume 3 by John Bunyan
  2. Roberts was curious about the future, of course, but he did not want to waste a victim on a trip that would probably be fruitless. – The Old Die Rich by Horace Leonard Gold
  3. With inferior resources, though not at first with inferior numbers, by a steady offensive, and by the attendant anxiety about Trincomalee impressed upon the British admiral, he reduced him to a fruitless defensive. – The Major Operations of the Navies in the War of American Independence by A. T. Mahan