noun
- A public promotion of some product or service.
- synonyms: advertisement, advertizement, advertising, advertizing, advert
adverb
- In the Christian era; used before dates after the supposed year Christ was born.
- usage: "in AD 200"
- synonyms: A. D., anno Domini
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). ad. Retrieved September 20, 2026, from http://smartdefine.org/ad/definitions/1219347 |
| Chicago | WordNet. 2010. "ad" http://smartdefine.org/ad/definitions/1219347 (accessed September 20, 2026). |
| Harvard | WordNet 2010, ad, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/ad/definitions/1219347>. |
| MLA | WordNet. "ad" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/ad/definitions/1219347> |