advertisementadvertisement /ˌædvɚˈtaɪzmənt/ noun also ad
► advertisement also ad
► advertisement also ad a picture, set of words, or short movie that tries to make people buy a product or use a service. Advertisement is more formal than ad: Those new TV advertisements for cat food are really funny. I like the perfume advertisement on the back cover of the magazine. ➔ GRAMMAR: Don't say: an advertisement about something. Say: an advertisement for something.
► commercial an advertisement on television or radio: There are lots of toy commercials during children’s TV programs.
► billboard a big sign next to a road, used for advertising something: Turn right just after you pass the billboard for the Harper Motel.
► poster a large printed notice or picture that advertises something: Help me put up these posters for the school dance.
► flier a single sheet of paper that is advertising something: Someone was handing out fliers for a sale at the furniture store.
► junk mail advertising that you receive by mail at your house but do not want: She took the junk mail out of the mail box and threw it into the recycling bin.
► pop-up a window, often containing an advertisement, that suddenly appears on a computer screen when you are looking at a website: I’m always getting pop-ups for travel sites when I surf the Web.
► spam email messages and advertisements that you receive but do not want to read: My email account is always full of spam, and it’s never for anything I want.
► preview also trailer an advertisement for a movie or television program, showing short parts from it: They show 15 minutes of previews for new movies before the movie starts.