D.U.I. Legal Meaning and Definition

Here is a simplified definition of the legal term D.U.I..

D.U.I. (abbreviation - noun) : An abbreviation for "Driving Under the Influence". This term is typically used to describe the crime of operating a vehicle while impaired by alcohol or other substances that impact one's abilities to drive safely. In the United States, a blood alcohol content (BAC) of 0.08-0.10 is often the legal threshold for this crime.