Definition of designated driver in English English dictionary
An individual who does not drink alcohol at a social engagement for the purpose of driving their companions home
One who agrees to remain sober, as at a party, in order to be able to drive others home safely
The designated driver in a group of people travelling together is the one who has agreed to drive, or who is insured to drive. someone who agrees not to drink alcohol when a group of friends go out together to a party, bar etc so that he or she can drive the others safely to and from home
the member of a party who is designated to refrain from alcohol and so is sober when it is time to drive home