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1. A passenger in a vehicle (not necessarily in the backseat) who attempts to instruct the driver or criticize their driving skills. John quickly became annoyed at Mary's tendency to become a backseat driver whenever he drove her somewhere, so he just began to let her drive.
2. By extension, someone who tries to establish and maintain control over every situation. Primarily heard in US. Although Mary was capable of completing the project on her own, John couldn't stop himself from being a backseat driver and telling her what to do.
Fig. an annoying passenger who tells the driver how to drive; someone who tells others how to do things. I don't need any backseat driver on this project. Stop pestering me with all your advice. Nobody likes a backseat driver!
A passenger who gives unwanted and/or unneeded directions to the driver; also, a person who interferes in affairs without having knowledge, responsibility, or authority for doing so. For example, Aunt Mary drives us all crazy with her instructions; she's an incurable backseat driver. This term originated in the United States in the 1920s, when it was first used for a passenger legitimately directing a chauffeur, and it was quickly transferred to figurative use. Also see the synonym Monday-morning quarterback and the antonym take a back seat.
a back-seat driver
1. If you call a passenger in a car a back-seat driver, you mean that they keep telling the driver what to do. My mother is a terrible back-seat driver, especially when my sister is at the wheel.
2. If you call someone, especially a politician, a back-seat driver, you mean that they are trying to influence or control a situation that should be controlled by someone else. They accused the former prime minister of being a backseat driver. Note: This expression is used to show disapproval.
a back-seat driver1 a passenger in a vehicle who constantly gives the driver unwanted advice on how to drive. 2 someone who lectures and criticizes the person actually in control of something.
a ˌback-seat ˈdriver(disapproving)
1 a passenger in a vehicle who keeps giving advice to the driver about how he or she should drive
2 a person who wants to be in control of something that is not really their responsibility: There are too many back-seat drivers in this department. This is my project and I’m the one who’s in charge!
n. an annoying passenger who tells the driver how to drive; someone who tells others how to do things. I don’t need any backseat driver on this project.