DUI

abbreviation or noun

plural DUIs
1
US : the act or crime of driving a vehicle while affected by alcohol or drugs
was arrested for DUI
a DUI case
2
US : an arrest or conviction for driving under the influence
… the reason he was in prison is that a few DUIs caught up with him …Barbara Ehrenreich
3
US : a person who is arrested for or convicted of driving under the influence
a convicted DUI

Examples of DUI in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The country musician eventually pleaded guilty to misdemeanor reckless endangerment and was sentenced to two years of probation, to go along with spending seven days at a DUI education center. Matthew Strauss, Pitchfork, 20 Aug. 2025 Penalties are even stiffer under the state's extreme DUI laws. Shelby Slade, AZCentral.com, 19 Aug. 2025 Not long after, the officer asked over radio for the DUI investigator to respond, the video showed. Angie Dimichele, Sun Sentinel, 16 Aug. 2025 Radford was out on bond in the DUI case, according to online court records for Liberty County, Georgia. Danya Gainor, CNN Money, 6 Aug. 2025 See All Example Sentences for DUI

Word History

Etymology

driving under the influence

First Known Use

1969, in the meaning defined at sense 1

Time Traveler
The first known use of DUI was in 1969

Browse Nearby Words

Cite this Entry

“DUI.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/DUI. Accessed 23 Aug. 2025.

Legal Definition

DUI

abbreviation
driving under the influence

More from Merriam-Webster on DUI

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!