Definition of plethora noun from the Oxford Advanced American Dictionary

     

    plethora

     noun
    noun
    NAmE//ˈplɛθərə//
     
    [singular](formal)
     
    jump to other results
  1. 1an amount that is greater than is needed or can be used synonym excess
  2. 2 The report contained a plethora of detail.
See the Oxford Advanced Learner's Dictionary entry: plethora