► advertisementa picture, set of words, short movie, etc. that is used to advertise a product or service that is available, an event that is going to happen, etc.: Bryan sent me a link to an online job advertisement. The organization bought a full-page advertisement in the “New York Times.”
► commercial an advertisement on TV or radio: The commercials shown during the Super Bowl are usually entertaining.
► trailer/preview an advertisement for a movie or television program, showing short parts from it: They show ten minutes of trailers for new movies before the movie starts.
► billboard a very large sign at the side of a road or on a building, used as an advertisement: The concert was advertised on a billboard by the highway.
► poster an advertisement on a wall, often with a picture on it: Her room was decorated with old movie posters.
► flier a piece of paper with an advertisement on it, often given to you in the street: Two young men stood on the corner handing out fliers for the new dance club.
► classifieds (also want/classified ads) short advertisements on the Internet or in a newspaper, in which people offer jobs or things for sale: Greg found his bike through an online classified ad.
► job listing/advertisement an advertisement for a job on the Internet or in a newspaper: I’ve been checking the job listings every day for a new job.
► junk mail unwanted letters that you receive in the mail, containing advertisements: No one writes letters anymore – all I ever get is junk mail.
► spam unwanted emails containing advertisements: I delete about five spam messages from my inbox every day.
► 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.