all-star
noun
- person with a high performance level
adjective
- referring to a sports game or team featuring the best players
Wiktionary
adj
- Of which all members or participants are top performers or celebrities.
“Near-synonym: superstar (sometimes synonymous)”
“The pantomime features an all-star cast.”
noun
- A member of a team of star players.
“Near-synonym: superstar”
- An outstanding achiever; someone considered to be among the best in their field.
“Near-synonyms: superstar, rockstar (figurative sense)”
“She is an all-star on an otherwise mediocre team.”