Definitions

1. noun

The main or most prominent person or thing at the top of something, especially a show or an event.

“The comedian was the headliner of the comedy club’s show that night.”

2. noun

A headline or main title in a newspaper, magazine, or other publication.

“The headliner of the article caught the reader’s attention immediately.”

3. verb

To feature or present someone or something as the main attraction.

“The event headlined a famous musician as its main performer.”