0 the top level of a particular sport, business, or activity in which there is the greatest competition and the greatest opportunity for success:
1 relating or belonging to the highest level or most successful level of a particular sport, business, or activity:
2 the most important or successful people, companies, etc. in a particular business or area of activity:
The airline offers big-league amenities like business and first-class seating.
There are 15 players with big-league experience on the Olympic team.
He had a reputation of not hitting the big-league curve.
He went hitless in four at-bats in his only big-league game.
Playing only for about a minute, he tallied no points in what would be his only big-league game.
At the big-league level for the year, in 18 games he batted.179 with four runs batted in.
He is the youngest person ever to appear in a big-league baseball game.
