stellar

Adjective

1. Of, pertaining to, or characteristic of stars.

   Synonyms: astral sidereal starry starly

   Antonyms: nonstellar

2. Heavenly.
3. Exceptional, exceptionally good.
   • The actress gave a stellar performance.
   • Some years ago there were hundreds of musicians of ability, but of less stellar renown, who toured the country, giving performances at less than stellar fees. - 1931, Music and Dance, volume 21, Melbourne, Vic.:...
   • Yet the economic seers are at it again, seemingly unabashed by their somewhat less than stellar performances in 1969. - 1970, Hardware Age, volume 205, New York, N.Y.: David Williams Co., →OCLC, page 8, column 1:

   Synonyms: wonderful excellent brilliant exceptional superb outstanding

   Antonyms: mediocre poor underwhelming average