[ ik-spound ]
See synonyms for: expoundexpoundingexpounder on Thesaurus.com

verb (used with object)
  1. to set forth or state in detail: to expound theories.

  2. to explain; interpret.

verb (used without object)
  1. to make a detailed statement (often followed by on).

Origin of expound

First recorded in 1250–1300; Middle English expounen, expounden, from Old French espondre, from Latin expōnere “to put out, set forth, explain,” equivalent toex- ex-1 + pōnere “to put”

Other words from expound

  • ex·pound·er, noun
  • pre·ex·pound, verb (used with object)
  • un·ex·pound·ed, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use expound in a sentence

British Dictionary definitions for expound


/ (ɪkˈspaʊnd) /

  1. (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

Origin of expound

C13: from Old French espondre, from Latin expōnere to set forth, from pōnere to put

Derived forms of expound

  • expounder, noun

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