designated driver

American  

[des-ig-ney-tid drahy-ver] / ˈdɛs ɪgˌneɪ tɪd ˈdraɪ vər /

noun

1. a person who abstains from alcoholic beverages at a gathering in order to be fit to drive companions home safely. DD

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designated driver British  

noun

1. a person who volunteers not to drink alcohol on a social occasion, so that he or she can safely drive other people who have been drinking

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Etymology

Origin of designated driver

First recorded in 1980–85

Example Sentences

“Do you mean to say the ‘DD’?” the officer asked, referring to the abbreviation for a designated driver who would remain sober while others imbibed.

From Los Angeles Times

Others want to retain the ability to be responsive or responsible for later activities, like serving as a designated driver, operating heavy machinery or being “on-call” for work.

From Salon

The experts recommend future research that explores the potential role of L4 AV as a 'designated driver' and its impact on road safety.

From Science Daily

Consider offering to be the trip’s chef, or the weekend’s designated driver.

From New York Times

So whether you are sober, sober-curious, pregnant, dieting, the designated driver, or need to wake up early for a big meeting, there’s no reason to miss out on a great drink.

From Washington Times