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
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The driver in the Philadelphia crash was later charged with DUI homicide. ABC News, 31 Mar. 2026 During a news conference, officers said Eric Valencia, 37, entered the vehicle shortly after being booked on suspicion of DUI and child endangerment. Nicole Comstock, CBS News, 31 Mar. 2026 The 15-time major champion escaped without physical injury, but the fallout has been immediate, marking his fourth car crash since 2009 and second DUI in nine years. Rowan Fisher-Shotton, MSNBC Newsweek, 30 Mar. 2026 Kevin Kisner, a PGA Tour golfer who is a teammate of Tiger Woods in The Golf League, expressed concern for the golf legend after his DUI arrest in Florida on Friday. Ryan Gaydos, FOXNews.com, 30 Mar. 2026 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 31 Mar. 2026.

Legal Definition

DUI

abbreviation
driving under the influence

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