Definitions

1. adjective

relating to the stars or celestial bodies

“The astronomer spent years studying the stellar patterns in the night sky.”

2. adjective

exceptional or outstanding

“She was a stellar performer on stage, receiving a standing ovation.”

3. noun

a star, especially a bright or prominent one

“The stellar in the constellation was visible to the naked eye.”

4. noun

a very good or impressive person

“He was a stellar player on the team, leading them to victory.”