Definition of expositor in US English:



  • A person or thing that explains complicated ideas or theories.

    ‘a lucid expositor of difficult ideas’
    • ‘He was well-read in Greek and Latin literature and found his favorite authors among the great pagans expositors of tolerance and secularism - Plato, Plutarch, Cicero, the Skeptics and Epicureans.’
    • ‘Everyone, right and left wing, agrees he is a first-rate expositor.’
    • ‘Some expositors say that Paul failed in his approach at Athens, because he did not found a church there.’
    • ‘The idea that a form of repression could be ideological has its major expositor in the Italian Marxist Antonio Gramsci.’
    • ‘In some cases, the book explains authors' ideas better than the original expositors did themselves.’
    • ‘He is a master expositor and popularizer, and these parts of the book really shine.’
    • ‘They are respected in the entire United States as being faithful expositors of the Old Testament.’
    • ‘Certainly you have not been in the company of the most sympathetic of expositors of this alternative.’
    • ‘This explanation provides us examples of Rae's great strength as an expositor and social critic and of his great weakness as a theorist.’
    • ‘In total Copson wrote six books, all of which demonstrate his great skill as an expositor.’
    • ‘Most important of all, the reputation of the Court as the expositor par excellence of constitutional meaning was at stake.’
    • ‘At least, this was the method proposed by its foremost expositors.’
    • ‘A return to the views of the founder first appears among the later Peripatetics, who did good service as expositors of Aristotle's works.’
    • ‘As an expositor of economic principles and their application to the policies of our day, he has no rival.’
    • ‘This caused many to wonder why he chose to be a critic of other men's ideas rather than an expositor of his own, as well as to wonder what ideas he truly believed in himself.’
    • ‘More often than not an illustration is likely to mislead as much as it helps, which leaves the expositor having to make up with words what is lacking or misleading in the picture.’
    • ‘Judges should not be the expositors of the nation's foreign policy, which is the role they play by acting when the President himself has not taken a clear stand.’
    • ‘He was an excellent expositor of mathematics although it is reported that Gauss did not bother to go to his lectures as he found them too elementary.’
    • ‘He is an unrivaled expositor of plain arguments, but without much originality.’
    • ‘The idea that the state is the best expositor of the ideals of law led many brilliant and respected lawyers to tolerate the racist and militaristic legal norms generated by the party.’


Middle English: via Old French or late Latin, from Latin exposit- ‘exposed, explained’, from exponere (see expound).