1. Looking at something with a fixed and wide eyed expression: "She kept staring at the map trying to understand how she could have gotten lost."
2. Showing up in a conspicuous, or not so obvious, manner: "The error was staring me in the face all the time and I did not see it."

1. To highlight by using an asterisk: "By starring the paragraph in his manuscript, the author called attention to the important information."
2. To feature with prominence: "She read that the new play is starring her favorite actor."
3. To decorate with stars: "She was starring the ceiling in the bedroom to make it look peaceful."