Definition of ranking adjective from the Oxford Advanced American Dictionary

     

    ranking

     adjective
    adjective
    NAmE//ˈræŋkɪŋ//
     
     
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  1. 1 having a high or the highest rank in an organization, etc. a ranking diplomat He was the ranking officer (= the most senior officer present at a particular time).
  2. 2(in compounds) having the particular rank mentioned high-ranking/low-ranking police officers a top-ranking player
See the Oxford Advanced Learner's Dictionary entry: ranking