English

Noun

major league ‎(plural major leagues)

1. An association of sports teams which plays at the highest skill level of its sport, especially Major League Baseball.
2. (usually in plural or attributive) The highest level of competition in a field of endeavor.

   You can't be so casual. You're in the major leagues now.

Synonyms

• (all senses): big league, majors, big time

Coordinate terms

• (both senses): minor league, minors, bush league

Adjective

major league ‎(comparative more major league, superlative most major league)

1. Of or pertaining to a major sports league.
2. Analogous in importance to a major league sports team.

   That rock band is really major league.

   Calatrava is a major league architect.

3. Serious, intensive.

   The company made a major league effort to get the contract.