stellar

/ˈstɛlər/
adjective
  1. Relating to a star or stars.
    • The telescope captured stunning images of stellar nurseries where new stars are born.
    • Stellar radiation can affect the atmospheres of nearby planets.
    • Astronomers study stellar evolution to understand how stars change over time.
  2. Exceptionally good; outstanding or excellent.
    • She gave a stellar performance in the school play.
    • The restaurant received stellar reviews from food critics.
    • His stellar work ethic earned him a promotion.
Antonyms
What does "stellar" mean? | whatsthatwordmean | whatsthatwordmean