Definitionen
1.NounAn association of sports teams which plays at the highest skill level of its sport, especially Major League Baseball.
2.NounThe highest level of competition in a field of endeavor."You can't be so casual. You're in the major leagues now."
3.AdjectiveOf or pertaining to a major sports league; belonging to the professional level of a sport, such as US baseball.
4.AdjectiveAnalogous in importance to a major league sports team."That rock band is really major league.; Calatrava is a major league architect."
5.AdjectiveSerious, high-level; significant"The company made a major league effort to get the contract.; Bill accidentally faxed sensitive documents to our competitors, and such a major league mess-up could only be dealt with by firing Bill."