Definitions:

1. A notice or announcement in a public medium promoting a product, service, or event or publicizing a job vacancy. ADJECTIVE
   • The radio advertisement reached more people that the newspaper announcement and brought extra customers to the sale.
2. A picture, short film, song, etc., that tries to persuade people to buy a product or service. NOUN
   • She recently placed an advertisement in the local newspaper.
3. a public notice. noun
   • I saw an advertisement for the new restaurant that opened in town.

Synonyms:

• Announcement
• Bulletin
• Commercial
• Notice
• Promotion