English

Definition of illuminate verb from the Oxford Advanced Learner's Dictionary

     

    illuminate

     verb
    verb
    BrE BrE//ɪˈluːmɪneɪt//
     
    ; NAmE NAmE//ɪˈluːmɪneɪt//
     
    (less frequent illumine)Verb Forms present simple I / you / we / they illuminate
    BrE BrE//ɪˈluːmɪneɪt//
     
    ; NAmE NAmE//ɪˈluːmɪneɪt//
     
    he / she / it illuminates
    BrE BrE//ɪˈluːmɪneɪts//
     
    ; NAmE NAmE//ɪˈluːmɪneɪts//
     
    past simple illuminated
    BrE BrE//ɪˈluːmɪneɪtɪd//
     
    ; NAmE NAmE//ɪˈluːmɪneɪtɪd//
     
    past participle illuminated
    BrE BrE//ɪˈluːmɪneɪtɪd//
     
    ; NAmE NAmE//ɪˈluːmɪneɪtɪd//
     
    -ing form illuminating
    BrE BrE//ɪˈluːmɪneɪtɪŋ//
     
    ; NAmE NAmE//ɪˈluːmɪneɪtɪŋ//
     
    Excitement
     
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  1. 1illuminate something (formal) to shine light on something Floodlights illuminated the stadium. The earth is illuminated by the sun.
  2. 2illuminate something (formal) to make something clearer or easier to understand synonym clarify This text illuminates the philosopher's early thinking.
  3. 3illuminate something to decorate a street, building, etc. with bright lights for a special occasion
  4. 4illuminate something (literary) to make a person’s face, etc. seem bright and excited synonym light up (3) Her smile illuminated her entire being. See related entries: Excitement
  5. Word Origin late Middle English: from Latin illuminat- ‘illuminated’, from the verb illuminare, from in- ‘upon’ + lumen, lumin- ‘light’.Extra examples The red glow of the sun beautifully illuminated the sky. The room was dimly illuminated by the soft glow of his bedside lamp. The study of the present also helps to illuminate the past. These confessions serve to illuminate his argument. With the room fully illuminated, they students were able to see what they were doing. an incident which greatly illuminated the problems we faced A newly-discovered manuscript illuminates the writer’s early thinking. His explanation obscured more than it illuminated. The corridor was illuminated by a single naked bulb. The study of language can help to illuminate how the human mind works. There are plans to illuminate the outside of the building. This area of medicine has been greatly illuminated by recent advances in genetics.
See the Oxford Advanced American Dictionary entry: illuminate