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[ik-spound] /ɪkˈspaʊnd/
verb (used with object)
to set forth or state in detail:
to expound theories.
to explain; interpret.
verb (used without object)
to make a detailed statement (often followed by on).
Origin of expound
1250-1300; Middle English expounen, expounden < Old French espondre < Latin expōnere to put out, set forth, explain, equivalent to ex- ex-1 + pōnere to put
Related forms
expounder, noun
preexpound, verb (used with object)
unexpounded, adjective
Synonym Study
2. See explain. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for expounding
Historical Examples
  • From a desk an ardent tabby is expounding, loud and long, on the rights of her kind.

    Concerning Cats Helen M. Winslow
  • He is interesting to us as the first philosopher who thought of expounding his system in verse.

  • That's the way they always goes on expounding things to you.

    The Drone

    Rutherford Mayne
  • For the moment Ike Webb had the floor, expounding his own pet theories.

    The Escape of Mr. Trimm Irvin S. Cobb
  • I must, I felt, choose some other opportunity for expounding that side of the argument.

    The Fixed Period

    Anthony Trollope
  • The doctrine that his friend had just been expounding was not new to him.

    The Fighting Edge William MacLeod Raine
  • An attempt was made at expounding and hearing the word of God on Sundays.

    Hubert's Wife

    Minnie Mary Lee
  • Almost impassive, she submitted to his argument and expounding.

    Sons and Lovers David Herbert Lawrence
  • At church the preacher did some expounding with no pounding.

  • Mrs. Westgate began confessing and protesting, declaring and expounding.

British Dictionary definitions for expounding


when intr, foll by on or about. to explain or set forth (an argument, theory, etc) in detail: to expound on one's theories, he expounded his reasoning
Derived Forms
expounder, noun
Word Origin
C13: from Old French espondre, from Latin expōnere to set forth, from pōnere to put
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for expounding



c.1300, from Old French espondre "expound (on), set forth, explain," from Latin exponere "put forth, explain, expose, exhibit," from ex- "forth" (see ex-) + ponere "to put, place" (see position); with intrusive -d (cf. sound (n.1)). The usual Middle English form was expoune. Related: Expounded; expounding.

Online Etymology Dictionary, © 2010 Douglas Harper
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