ad

noun5

1. •
   Advantage
2. •
   a message shown to the public, often paid for, that tells people about something such as things for sale, a job or an event

   • I have placed both of the ads in the newspaper as instructed.
3. •
   Clipping of advertising.
4. •
   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.
5. •
   Clipping of advertiser.

preposition1

1. •
   to, toward

noun5

1. •
   Abbreviation of advertisement.
2. •
   Abbreviation of adverb.
3. •
   Abbreviation of adaptation.
4. •
   Abbreviation of adapter.
5. •
   Abbreviation of archdiocese.

verb4

1. •
   Abbreviation of adapt.
2. •
   Abbreviation of adapted.
3. •
   Abbreviation of addantur.
4. •
   Abbreviation of adde.

adjective1

1. •
   Initialism of antidumping.

adverb1

1. •
   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 4 September AD 2026.

noun9

1. •
   Initialism of Alzheimer's disease.

   • Many neurodegenerative diseases, including Alzheimer's disease (AD), involve pathological protein deposits. — 2015
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. — 1993
3. •
   Initialism of air defence or air defense.
4. •
   Initialism of antidepressant.
5. •
   Abbreviation of audio description.
6. •
   Initialism of atopic dermatitis.
7. •
   Initialism of airworthiness directive.
8. •
   (Internet) Initialism of after dark.
9. •
   (US, Navy) Initialism of auxiliary destroyer (a naval tender, a destroyer tender that tends to destroyers).

noun1

1. •
   Abbreviation of adenovirus.