To publicize something means to make it widely known to the public. When a school publicizes its upcoming science fair, the principal might send emails to parents, post announcements in hallways, and mention it during morning announcements. When a company publicizes a new product, it might run advertisements, send press releases to newspapers, or create social media posts.

The word emphasizes spreading information broadly and intentionally. You might tell your best friend about your birthday party, but if you publicize it, you're making sure everyone in your class knows about it. Authors publicize their books through interviews and book tours. Museums publicize special exhibitions so visitors know what's new and exciting.

Publicity is the attention something receives, and a publicist is someone whose job involves getting attention for people, products, or events. Politicians publicize their campaigns, movie studios publicize upcoming films, and charities publicize their causes to attract donors and volunteers. The goal is always the same: getting your message out to as many people as possible so they know what's happening and can decide whether to participate, attend, or support it.