AD

Etymology

Definitions

1. 1

   Initialism of Anno Domini (borrowed from Latin)

   Initialism of Anno Domini (borrowed from Latin); in the year of our Lord.

   • They had a vibrant culture from the 3rd century BC to the 2nd century AD.
   • Today is 10 May AD 2026.
   • Founded Aᴼ.Dᴵ. 1728 by Benj. Franklin
2. 2

   Initialism of assistant director.

   • A few moments later, the A.D. reappears. "They need you," she says. "And could you stop by Wardrobe?" Shannen rolls her eyes. "O.K.!" she snaps.
3. 3

   Initialism of air defence or air defense.

4. ›+ 16 more definitionsshow fewer

   1. 4

      Initialism of antidepressant.

   2. 5

      Initialism of auxiliary destroyer (a naval tender, a destroyer tender that tends to…

      Initialism of auxiliary destroyer (a naval tender, a destroyer tender that tends to destroyers).

   3. 6

      Initialism of Alzheimer's disease.

      • Many neurodegenerative diseases, including Alzheimer's disease (AD), involve pathological protein deposits.
      • What the person with AD chooses to enunciate, ‘may capture something important in the way the person makes sense of his or her life and also make meaning-based connections’ (Hydén and Örulv 2009: 206).
   4. 7

      Initialism of atopic dermatitis.

   5. 8

      Initialism of airworthiness directive.

   6. 9

      Abbreviation of audio description.

   7. 10

      Initialism of after dark.

      • AD account
   8. 11

      Initialism of antidumping.

   9. 12

      Initialism of Abu Dhabi.

   10. 13

       Initialism of Andhra Pradesh.

   11. 14

       Clipping of advertisement.

       • I have placed both of the ads in the newspaper as instructed.
   12. 15

       Clipping of advertising.

   13. 16

       Clipping of advertiser.

   14. 17

       Advantage

       Advantage; also, designating the left-hand side, from the player's point of view, of their half of the court, where the advantage point following a deuce is always played.

       • [S]uddenly Agassi hits a hard heavy cross-court back hand that pulls Federer way out to his ad (= his left) side, and Federer gets to it but slices the stretch backhand short, a couple feet past the service line […].
   15. 18

       to, toward

   16. 19

       Abbreviation of adenovirus.

The neighborhood

• antonymAC
• antonymA.C.
• antonymb.c.
• antonymBC
• antonymBCE