Definition of illustrious adjective from the Oxford Advanced American Dictionary

     

    illustrious

     adjective
    adjective
    NAmE//ɪˈlʌstriəs//
     
    (formal)
     
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  1. 1very famous and much admired, especially because of what you have achieved synonym distinguished
  2. 2 The composer was one of many illustrious visitors to the town. a long and illustrious career
See the Oxford Advanced Learner's Dictionary entry: illustrious