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DUI

/ˌdiː.juːˈaɪ/noun

DUI is spelled D-U-I: 3 letters and 3 syllables. It appears 2.2 times per million words in written English, the 18,297th most frequent word form (wordfreq, 2021 data). As a noun, DUI means “Initialism of driving under the influence [of alcohol or other drugs]: the act of doing so; a charge or conviction for that act” (English Wiktionary, September 2026). The plural of DUI is DUIs.

How many letters and syllables are in DUI?

Letters3: D-U-I
Syllables3 (from its American pronunciation)
In writing2.2 times per million words; the 18,297th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is DUI?

DUI appears 2.2 times per million words in written English, the 18,297th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce DUI?

  • /ˌdiː.juːˈaɪ/

DUI has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of DUI

  • DUIs plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does DUI mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    Initialism of driving under the influence [of alcohol or other drugs]: the act of doing so; a charge or conviction for that act.

    DUI is punishable by jail time and by fines.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

DUI in Spanish, French, German and Portuguese

In the sense driving under the influence:

LanguageWords
FrenchCEI (conduite en état d'ivresse), CFA (conduite avec facultés affaiblies)

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

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