Definition of supreme adjective from the Oxford Advanced American Dictionary

     

    supreme

     adjective
    adjective
    NAmE//səˈprim//
     
    [usually before noun]
     
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  1. 1 highest in rank or position The case will probably go to the Supreme Court. the supreme champion It is an event in which she reigns supreme.
  2. 2very great or the greatest in degree to make the supreme sacrifice (= die for what you believe in) a supreme effort She smiled with supreme confidence.
See the Oxford Advanced Learner's Dictionary entry: supreme