American English

Definition of illuminate verb from the Oxford Advanced American Dictionary



    (illumine)Verb Forms present simple I / you / we / they illuminate
    he / she / it illuminates
    past simple illuminated
    -ing form illuminating
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  1. 1illuminate something 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 Her smile illuminated her entire being.
See the Oxford Advanced Learner's Dictionary entry: illuminate