ad•vertBrE /ˈædvɜːt/
NAmE /ˈædvɜːrt/
noun
word origin
mid 19th cent.: abbreviation.

synonyms
advertisementpublicity
ad
commercial
promotion
trailerThese are all words for a notice, picture or film/movie telling people about a product, job or service.
advertisement a notice, picture or film/movie telling people about a product, job or service; an example of sth that shows its good qualities; the act of advertising sth and making it public: Put an advertisement in the local paper to sell your car. ◇ Dirty streets are no advertisement for a prosperous society.
publicity [U] the business of attracting the attention of the public to sb/sth such as a company, book, film/movie, film/movie star or product; the things that are done to attract attention: She works in publicity. ◇ There has been a lot of advance publicity for her new film.
ad (informal) a notice, picture or film/movie telling people about a product, job or service: We put an ad in the local paper. ◇ an ad for a new chocolate bar
commercial an advertisement on television or on the radio.
promotion a set of advertisements for a particular product or service; activities done in order to increase the sales of a product or service: a special promotion of local products ◇ She works in sales and promotion.
trailer (especially BrE) a series of short scenes from a film/movie or television programme, shown in advance to advertise it.(a/an) advertisement/publicity/ad/commercial/promotion/trailer for stha TV/television/radio/cinema advertisement/ad/commercial/promotionto run/show a(n) advertisement/ad/commercial/trailer 
example bank
A lot of claims are made in the advert.
How can I block those annoying pop-up adverts?
I put an advert in the local newspaper.
She took out a full-page advert in a magazine.
The advert appeared in ‘The Guardian’.
The advert featured a dolphin swimming around a goldfish bowl.
The paper ran our advert last week.
an advert for jeans
I never watch the adverts on TV. (BrE) (informal) = advertisement
the adverts on television
When the adverts came on I got up to put the kettle on.