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[dis-kuh n-surt] /ˌdɪs kənˈsɜrt/
verb (used with object)
to disturb the self-possession of; perturb; ruffle:
Her angry reply disconcerted me completely.
to throw into disorder or confusion; disarrange:
He changed his mind and disconcerted everybody's plans.
Origin of disconcert
obsolete French
1680-90; < obsolete French disconcerter. See dis-1, concert
Related forms
disconcerted, adjective
disconcertion, disconcertment, noun
1. discompose, perplex, bewilder, abash, discomfit. See confuse.
1. calm. 2. arrange. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for disconcert
Historical Examples
  • Now Jacqueline, for her purposes, had thought to disconcert the man unused to courts.

    The Missourian Eugene P. (Eugene Percy) Lyle
  • Still this did not disconcert Rose, but rather made her laugh the more.

    Fruitfulness Emile Zola
  • Once, you know, you dropped me; but nothing seemed to disconcert that young man.

    The Gold Trail Harold Bindloss
  • Even the old Mexican shooting-suit seemed in no way to disconcert him.

    The Market-Place Harold Frederic
  • Her brother-in-law's sudden appearance did not disconcert her.

  • This exclamation appeared to disconcert Yoga Rama a good deal.

    Telepathy W. W. Baggally
  • The other conjecture may possibly have sufficient truth in it to disconcert collectors of examples of local crafts.

    Chats on Old Clocks Arthur Hayden
  • I say disconcerting because it emphatically did disconcert Henry.

    A Great Man Arnold Bennett
  • Julien's arrival seemed very much to disconcert the two friends who did not say another word.

  • His words, for the moment, seemed to disconcert the two men.

    The Ivory Snuff Box Arnold Fredericks
British Dictionary definitions for disconcert


verb (transitive)
to disturb the composure of
to frustrate or upset
Derived Forms
disconcertion, disconcertment, 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
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Word Origin and History for disconcert

1680s, from Middle French disconcerter (Modern French déconcerter) "confused," from dis- "do the opposite of" (see dis-) + concerter (see concert). Related: Disconcerted; disconcerting; disconcertingly.

Online Etymology Dictionary, © 2010 Douglas Harper
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