major league

Noun

 * 1) An association of sports teams which plays at the highest skill level of its sport, especially.
 * 2)  The highest level of competition in a field of endeavor.
 * You can't be so casual. You're in the major leagues now.

Synonyms

 * , elite league
 * , elite league

Adjective

 * 1) Of or pertaining to a major sports league; belonging to the professional level of a sport, such as US baseball.
 * 2) Analogous in importance to a major league sports team.
 * That rock band is really major league.
 * Calatrava is a major league architect.
 * 1) Serious, 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.