American English

Definition of bandwagon noun from the Oxford Advanced American Dictionary

 

bandwagon

 noun
noun
NAmE//ˈbændˌwæɡən//
 
[usually singular]
 
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  • an activity that more and more people are becoming involved in The World Cup bandwagon is starting to roll.
  • Idioms
    climb/jump on the bandwagon (informal) (disapproving)
     
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    to join others in doing something that is becoming fashionable because you hope to become popular or successful yourself politicians eager to jump on the environmental bandwagon In the U.S., political parades often included a band on a wagon. Political leaders would join them in the hope of winning popular support.
    See the Oxford Advanced Learner's Dictionary entry: bandwagon