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• dd
  dd

  abbreviation

  today's date.
• DD
  DD

  abbreviation

  data deficient.
• dd.
  dd.

  abbreviation

  delivered.
• D/D
  D/D

  abbreviation

  days after date.
• D.D.
  D.D.

  abbreviation

  demand draft.

dd

¹ American  

abbreviation

1. Law. today's date.

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dd ² American  

abbreviation

1. degree-day.

2. delayed delivery.

3. delivered.

4. demand draft.

5. double-deck.

6. Shipbuilding. dry dock.

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DD ³ American  

abbreviation

1. Biology, Ecology. data deficient.

2. damage dealer: (in a video game) a category of job classes in a role-playing game, best suited to inflict large amounts of damage to an enemy: Also DPS

   If you need a DD, I have a level 49 Warrior, or a level 45 Hunter—if a ranged attack would be better.

3. dear/darling daughter (used, especially by women, in digital communications to refer to one's daughter).

   DD moving into her own apt today!

4. designated driver.

5. Department of Defense.

6. dishonorable discharge.

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dd. ⁴ American  

abbreviation

1. delivered.

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D/D ⁵ American  

abbreviation

Commerce.

1. days after date.

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D.D. ⁶ American  

abbreviation

1. demand draft.

2. Doctor of Divinity.

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DD British  

abbreviation

1. Also: dd. direct debit

2. Doctor of Divinity

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Etymology

Origin of dd

From Latin dē datō

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Example Sentences

See Examples For:

dd DD D.D.

The author does not think much of this simple "dd reaction."

From Time Magazine Archive

The gametes they produce are D+d and d+d, and the fertilisations are therefore Dd, Dd, dd, dd, or heterozygote dominants and pure recessives in equal numbers.

From Hormones and Heredity by J. T. Cunningham

Hegelian Philosophy.3.Fichte and Schelling.4.Hegel.5.Kant is the only writer who has confused this idea of reason, and in this connection I refer the reader to the Appendix, and also to my “Grundprobleme der Ethik”: Grundl. dd.

From The World As Will And Idea (Vol. 1 of 3) by Arthur Schopenhauer

Consonantal assimilation of nk to kk, mb to bb, mp to pp, ðl to ll, zd and rd to dd, corresponding to similar assimilation in Scand.

From Scandinavian influence on Southern Lowland Scotch by George Tobias Flom

Thus, if we indicate the dominant character by D and the recessive by d, the constitution of the two individuals is Dd and dd.

From Hormones and Heredity by J. T. Cunningham

DuPont de Nemours DD 2.78%increase; green up pointing triangle said it would undergo a reverse stock split on a 1-for-3 basis and reaffirmed its guidance.

From The Wall Street Journal ● May 26, 2026

"I just came to work and live peacefully," DD, who asked to be referred to only by his initials, told AFP.

From Barron's ● Feb. 16, 2026

DD Cafe didn’t immediately respond to a request for comment.

From Los Angeles Times ● Feb. 9, 2026

"I voted against awarding a DD degree to Rev Poots but was outvoted," Prof Kirkpatrick said.

From BBC ● Dec. 8, 2025

DD snaps her fingers again, and the doorway to hell shuts.

From "The Manifestor Prophecy" by Angie Thomas

“Shout out to D.D., man,” wide receiver Keenan Allen said.

From Los Angeles Times ● Nov. 7, 2023

So, I recently did the second-best thing and read D.D.

From Salon ● Feb. 23, 2023

“McHooligan” Schmidt, a Texas billionaire who functions, much in the manner of Heinlein’s famous D.D.

From Washington Post ● Nov. 22, 2021

Amtrak service was temporarily halted in the area, Allison Papson of FOX 5 in Washington, D.D., reported on Twitter.

From Fox News ● Jul. 9, 2021

William Hughes, D.D., was a native of Caernarvonshire, and was educated partly at Oxford, whence he removed to Christ’s College, Cambridge. 

From A Biographical Sketch of some of the Most Eminent Individuals which the Principality of Wales has produced since the Reformation by Robert Williams

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