Definition of lineup noun from the Oxford Advanced American Dictionary

     

    lineup

     noun
    noun
    NAmE//ˈlaɪnʌp//
     
    [usually singular]
     
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  1. 1 the people who are going to take part in a particular event an impressive lineup of speakers Jones has not been included in the quarterfinal lineup. the starting lineup (= the players who will begin the game)
  2. 2 a set of items, events, etc. arranged to follow one another synonym program A horror movie completes this evening's TV lineup.
  3. 3 a row of people, including one person who is suspected of a crime, who are shown to a witness to see if he or she can recognize the criminal He was identified in an April 21 police lineup.