superstar

B2 · Upper Intermediate Countable noun Informal

n. an employee who does much better work than everyone else.

n. an exceptionally productive or talented employee who consistently outperforms their peers.

“She is the superstar of the sales department and always hits her targets early.”

“The firm struggles to retain its corporate superstars, as competing agencies frequently offer them significantly higher salaries and better benefits.”

C2 · Proficiency Countable noun Science Technical · Archaic

n. a very large and bright star in space.

n. a giant or supergiant star of immense luminosity and mass.

“The telescope captured a clear image of a distant superstar at the edge of the galaxy.”

“Early astronomical texts occasionally used the term superstar to describe what modern astrophysicists now classify more precisely as a blue hypergiant.”