to make something known generally or in public, especially in order to sell it: 2. The meaning of ADVERTISE is to make the public aware of (something or someone) especially by means of a published or broadcast notice. How to use advertise in a sentence. ADVERTISE definition: to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it. See examples of advertise used in a … 1. To call the attention of the public to a product or business. To inquire or seek in a public notice, as in a newspaper: advertise for an apartment. You don't have to advertise [= draw attention to] the fact that we arrived late. He stomped loudly to advertise his presence. Definition of advertise verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it: to advertise a new brand of toothpaste.