Definition of fruitful adjective from the Oxford Advanced Learner's Dictionary

     

    fruitful

     adjective
    adjective
    BrE BrE//ˈfruːtfl//
     
    ; NAmE NAmE//ˈfruːtfl//
     
     
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  1. 1producing many useful results synonym productive a fruitful collaboration/discussion a fruitful source of information The research has proved extremely fruitful. opposite fruitless
  2. 2(literary) (of land or trees) producing a lot of crops
  3. Extra examples This research has been particularly fruitful in helping our understanding of the disease. It was a very fruitful discussion. Official manuals can be a potentially fruitful source of information. Sometimes the questionnaires had remarkably fruitful results. There was a close and fruitful collaboration between scientists and engineers.
See the Oxford Advanced American Dictionary entry: fruitful