a public notice in print, online, on television, or in another medium that tries to sell, promote, or inform people about a product, service, event, or opportunity
She noticed an advertisement for discounted laptops on the bus stop shelter.
The company placed a colorful advertisement in the Sunday newspaper to attract customers.
✦ Late Middle English: from French 'advertissement', from 'advertir' meaning ‘turn toward, inform’. The ending was altered in English by association with words like 'statement' and 'agreement'.
something that clearly shows the good qualities or success of a person, place, or thing and therefore makes other people interested in it
The clean streets are a fine advertisement for the city's recycling program.
Her excellent customer service is the best advertisement for the shop.
✦ Extension of the main meaning of 'advertisement' from ‘public notice’ to ‘visible demonstration of quality’, first recorded in the 19th century.