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d

/diː/letter, number, adjective, adverb, symbol, article

d is spelled D: one letter and one syllable. It appears 288 times per million words in written English, the 329th most frequent word form (wordfreq, 2021 data). As a letter, d means “The fourth letter of the English alphabet, called dee and written in the Latin script” (English Wiktionary, September 2026).

How many letters and syllables are in d?

Letters1: D
Syllables1 (from its American pronunciation)
In writing288 times per million words; the 329th 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 d?

D appears 288 times per million words in written English, the 329th 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 d?

  • /diː/
  • /d/

D has one syllable (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). Recordings: En-us-d.ogg, En-uk-d.ogg, LL-Q1860_(eng)-Persent101-'d.wav, Wikimedia Commons (author and licence on each file's page).

Forms of d

  • 1/2d

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

What does d mean?

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

letter

  1. 1

    The fourth letter of the English alphabet, called dee and written in the Latin script.

number

  1. 1

    The fourth numeral symbol of the English alphabet, called dee and written in the Latin script.

symbol

  1. 1

    A British penny; an old penny (the modern decimal penny being abbreviated p).

    £sd – “pounds, shillings and pence”

  2. 2

    Die or dice.

    d20 – a specialized die with twenty sides

  3. 3

    A penny, a measure of the size of nails.

letter

as D
  1. 1

    The fourth letter of the English alphabet, called dee and written in the Latin script.

number

as D
  1. 1

    The fourth numeral symbol of the English alphabet, called dee and written in the Latin script.

noun

as D
  1. 1

    Abbreviation of defense.

  2. 2

    USAbbreviation of Democrat, especially preceding the constituent location.

    D-New York

  3. 3

    Abbreviation of drive, the setting of an automatic transmission.

  4. 4

    Abbreviation of duodecimo, as adopted by the American Library Association.

  5. 5

    slangClipping of dick (“penis”)

    She wants the D!

  6. 6

    Abbreviation of data.

  7. 7

    Canonical decomposition

  8. 8

    Abbreviation of Deutsch number in the Schubert Thematic Catalogue.

    Symphony No. 4 Tragic D 417

  9. 9

    The semicircle on the baulk line, inside which the cue ball must be placed at a break-off.

  10. 10

    The penalty arc on a football pitch.

  11. 11

    The penalty arc on a hockey field.

  12. 12

    CanadaUSA grade awarded for a class, better than outright failure (which can be F or E depending on the institution) and worse than a C.

adverb

as D
  1. 1

    Abbreviation of down (direction).

adjective

as D
  1. 1

    Abbreviation of dimensional.

  2. 2

    Abbreviation of divorced.

interjection

as D
  1. 1

    Damn.

adjective

  1. 1

    Abbreviation of dimensional.

  2. 2

    Abbreviation of declared.

adverb

  1. 1

    Abbreviation of down.

    Do you have the answer for 23d?

  2. 2

    informalAbbreviation of already, used in text messages to form the perfect tenses.

    Come d.

article

  1. 1

    Pronunciation spelling of the

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

Where does d come from?

From the Old English lower case letter d, from 7th century replacement by Latin lower case d of the Anglo-Saxon Futhorc letter ᛞ.

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

What to look up after d