The definition of all star refers to someone who is highly skilled at a given activity, so much so he is often considered among the best.(adjective)
An example of an all star is an athlete who wins an olympic gold medal.
All star is defined as a team made up only of top performers who are the most skilled and accomplished.(adjective)
An example of all star is a team that is made up only of the best athletes from other teams in the league.
See all-star in Webster's New World College Dictionary
See all-star in American Heritage Dictionary 4
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