The term 'BIG-LEAGUE' can be broken down into two crossword solutions: PRO (3 letters) and EMINENT (7 letters). PRO is a term used to describe someone who is highly skilled in their profession or field of work. It is often used to refer to professional athletes, such as those playing in the major leagues. EMINENT is an adjective that means famous or distinguished. It is often used to describe people who have achieved great success in their field or have made a significant contribution to society. Together, these two words form the phrase 'big-league, ' which is used to describe something that is of the highest quality or importance.