Definition of thinker in English:

thinker

Syllabification: think·er
Pronunciation: /ˈTHiNGkər
 
/

noun

1A person who thinks deeply and seriously.
More example sentences
  • Deep down, they are serious thinkers and are students of life and all of its mysteries.
  • There have been signs too that Sampras, always more of a doer than a thinker, has been contemplating life after tennis.
  • He's an exceptional combination of a precise thinker and an imaginative thinker.
1.1A person with highly developed intellectual powers, especially one whose profession involves intellectual activity: a leading scientific thinker
More example sentences
  • By 1909 Einstein was recognised as a leading scientific thinker and in that year he resigned from the patent office.
  • Often, alchemists were among the leading scientific and religious thinkers of their time.
  • For thousands of years religious dogma and tribal superstitions kept scientific thinkers in a locked box.
Synonyms

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Word of the day abjure
Pronunciation: əbˈdʒʊə
verb
solemnly renounce (a belief, cause, or claim)