American English

Definition of beneficial adjective from the Oxford Advanced American Dictionary

      

    beneficial

     adjective
    adjective
    NAmE//ˌbɛnəˈfɪʃl//
     
    beneficial (to something/somebody)
     
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  1. 1improving a situation; having a helpful or useful effect synonym advantageous, favorable
  2. 2 A good diet is beneficial to your health. They finally came to a mutually beneficial agreement. opposite detrimental
See the Oxford Advanced Learner's Dictionary entry: beneficial