Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To give a detailed statement of; set forth: expounded the intricacies of the new tax law.
  • transitive v. To explain in detail; elucidate: The speaker expounded the approach of positive thinking. See Synonyms at explain.
  • intransitive v. To make a detailed statement: The professor was expounding on a favorite topic.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To lay open; to expose to view; to examine or exposit.
  • v. To lay open the meaning of; to explain or discuss at length; to clear of obscurity; to interpret.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To lay open; to expose to view; to examine.
  • transitive v. To lay open the meaning of; to explain; to clear of obscurity; to interpret.

from The Century Dictionary and Cyclopedia

  • To lay open; examine.
  • To set forth the points or principles of; lay open the meaning of; explain; interpret: as, to expound a text of Scripture; to expound a law.
  • Synonyms Interpret, Elucidate, etc. See explain.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. state
  • v. add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing

Etymologies

Middle English expounden, from Anglo-Norman espoundre, from Latin expōnere : ex-, ex- + pōnere, to place; see apo- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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