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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He has been booked into San Joaquin County Jail on charges of DUI and vehicular manslaughter. Cecilio Padilla, CBS News, 23 Mar. 2026 Out of the thousands of DUI cases Sonoma County has prosecuted since 2016, ultimately only six were flagged for a deeper review, Chief Deputy Dist. Fedor Zarkhin, Los Angeles Times, 19 Mar. 2026 He was arrested for a probation issue related to a 2024 DUI case in Seminole County. Juan Carlos Chavez, Sun Sentinel, 18 Mar. 2026 Sanchez was convicted of gross vehicular manslaughter, DUI and child endangerment. David Hernandez, San Francisco Chronicle, 15 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 25 Mar. 2026.

Legal Definition

DUI

abbreviation
driving under the influence

More from Merriam-Webster on DUI

Last Updated: - Updated example sentences
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