Definition of back-seat driver noun from the Oxford Advanced Learner's Dictionary

     

    back-seat driver

     noun
    noun
    BrE
     
    ; NAmE
     
    (disapproving) People in motoring
     
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  1. 1a passenger in a vehicle who keeps giving advice to the driver about how he or she should drive See related entries: People in motoring
  2. 2a person who wants to be in control of something that is not really their responsibility