abbreviation or noun
\ ˌdē-(ˌ)yü-ˈī How to pronounce DUI (audio) \
plural DUIs

Definition of DUI

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

First Known Use of DUI

1969, in the meaning defined at sense 1

History and Etymology for DUI

driving under the influence

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Learn More About DUI

Statistics for DUI

Cite this Entry

“DUI.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/DUI. Accessed 24 Jun. 2021.

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More Definitions for DUI

Legal Definition of DUI

driving under the influence


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