Definition of thinker noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈθɪŋkə(r)//
    ; NAmE NAmE//ˈθɪŋkər//
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  1. 1a person who thinks seriously, and often writes about important things, such as philosophy or science Einstein was one of the greatest thinkers of the 20th century.
  2. 2a person who thinks in a particular way a clear thinker
  3. Extra examples a leading thinker on constitutional law He’s a radical social thinker and historian. I’m not really a creative thinker. Marxist thinkers tend to disagree with this analysis. Reynolds was a cold and calculating thinker. She was not a deep thinker. The company needs more original thinkers.
See the Oxford Advanced American Dictionary entry: thinker