D.U.I. Definition and Legal Meaning

On this page, you'll find the legal definition and meaning of D.U.I., written in plain English, along with examples of how it is used.

What is D.U.I.?

n. Abbreviation for operating a vehicle under the influence of alcohol.

short for “Driving Under the Influence”. Used commonly for drunk driving though the influence could really be anything under which the senses and reflexes are dulled posing a threat say, of accident. For alcohol the limit is 0.08-0.10 BAC in the US.