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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

DuPont DD -1.79%decrease; red down pointing triangle de Nemours lifted its outlook and plans to buy back $275 million of stock after swinging to a profit in the first quarter.

From The Wall Street Journal • May 5, 2026

DD said most Croatians were "generally friendly", but without the ability to speak the local language, he had struggled to fit in.

From Barron's • Feb. 16, 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

“You’ve sealed your fate and your father’s,” DD growls.

From "The Manifestor Prophecy" by Angie Thomas