superstar

UK: /ˈsuːpə^rstɑː^r/ US: /ˈsupɚˌstɑr/ ,(so̅o̅′pər stär′)

WordReference Random House Learner's Dictionary of American English © 2025

su•per•star /ˈsupɚˌstɑr/   n. [countable]

1. a very prominent or successful person, esp. a performer or athlete who enjoys great fame and admiration:
   Suddenly the shy, retired professor became a superstar overnight on TV talk shows.

WordReference Random House Unabridged Dictionary of American English © 2025

su•per•star  (so̅o̅′pər stär′), n. 

1. a person, as a performer or athlete, who enjoys wide recognition, is esteemed for exceptional talent, and is eagerly sought after for his or her services.
2. any very prominent or successful person or thing.

• super- + star 1920–25, American.

su′per•star′dom, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

superstar / ˈsuːpəˌstɑː/ noun

1. a popular singer, film star, etc, who is idolized by fans and elevated to a position of importance in the entertainment industry

ˈsuperˌstardom noun