DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   preeminent
       adj 1: greatest in importance or degree or significance or
              achievement; "our greatest statesmen"; "the country's
              leading poet"; "a preeminent archeologist" [syn:
              leading(a), preeminent]