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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

Example Sentences

See Examples For:

dd DD D.D.

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

From Time Magazine Archive

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 Cunningham, J. T.

Consider, for example, a sentence in a vi tutorial that looks like this: Then delete a line from the file by typing "dd".

From The Jargon File, Version 4.2.2, 20 Aug 2000 by Steele, Guy L.

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 Schopenhauer, Arthur

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 Flom, George Tobias

"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

DuPont de Nemours DD 0.79%increase; green up pointing triangle recorded flat fourth-quarter sales as its building technologies business was hurt by weak construction activity.

From The Wall Street Journal ● Feb. 10, 2026

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

From Los Angeles Times ● Feb. 9, 2026

When Jim Porter retired from DuPont DD -0.48%decrease; red down pointing triangle in 2008, one of his retirement accounts consisted solely of stock in the chemicals manufacturer.

From The Wall Street Journal ● Jan. 8, 2026

“No, Alex, don’t listen to that awful girl,” says DD.

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

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

The lobby acts as a gallery where owners Kenneth and D.D.

From Washington Post ● Oct. 1, 2015

Robert Morgan, D.D., was born at Llandysilio, Montgomeryshire, in 1608. 

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