Adjective prominent has 2 senses
  1. outstanding, prominent, salient, spectacular, striking - having a quality that thrusts itself into attention; "an outstanding fact of our time is that nations poisoned by anti semitism proved less fortunate in regard to their own freedom"; "a new theory is the most prominent feature of the book"; "salient traits"; "a spectacular rise in prices"; "a striking thing about Picadilly Circus is the statue of Eros in the center"; "a striking resemblance between parent and child"
    Antonyms: inconspicuous, invisible (indirect, via conspicuous)
  2. big, large, prominent - conspicuous in position or importance; "a big figure in the movement"; "big man on campus"; "he's very large in financial circles"; "a prominent citizen"
    Antonyms: inconspicuous, invisible (indirect, via conspicuous)