Definitions for "Designated Driver"
The member of a party who doesn't drink alcohol and is sober when it's time to drive home Reference: H3
is a person who does not drink at an event and drives others home. The use of designated drivers is widespread and has resulted in saving thousands of lives.
A person among a group who agrees to refrain from alcohol use so the group may be assured of having a sober driver. Some bars and restaurants offer incentives to designated drivers by offering free soft drinks, reduced-cost meals, etc.
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