disconcert
Americanverb (used with object)
verb
-
to disturb the composure of
-
to frustrate or upset
Synonym Usage
See confuse.
Other Word Forms
Derived Forms
Conjugated Forms
Present
-
has disconcertedperfect 3rd person singular
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have disconcertedperfect
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are disconcertingprogressive
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disconcertingparticiple
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has been disconcertingperfect progressive 3rd person singular
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have been disconcertingperfect progressive
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disconcertssingular 3rd person
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am disconcertingprogressive 1st person singular
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is disconcertingprogressive 3rd person singular
Past
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had disconcertedperfect
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were disconcertingprogressive plural
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disconcertedparticiple
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was disconcertingprogressive singular
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had been disconcertingperfect progressive
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disconcertedsimple
Future
Etymology
Origin of disconcert
From the obsolete French word disconcerter, dating back to 1680–90. See dis- 1, concert
Explanation
To disconcert is to unsettle someone, or make them feel confused and out of sorts. Finding a soup ladle in your sock drawer would definitely disconcert you! Disconcert comes from the old French word disconcerter, meaning "confused." The prefix dis means "not" — it has a bad attitude and shows up in words like disagree and disown. The second part of the word comes from the verb concerter, "to bring together." If you disconcert someone, you make them feel uncomfortable and maybe a little embarrassed.
Vocabulary lists containing disconcert
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Graceling
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Tess of the d'Urbervilles
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Djokovic's on-court aura can disconcert many younger opponents and Alexander Zverev, often described as the best player of his generation to have never won a major, is one of them.
From BBC • May 28, 2026
“Not a smile. It’s not the smile that will disconcert me. Not at all. Or his eyes that will make me afraid. Because I’m not afraid of him.”
From Seattle Times • Oct. 1, 2017
The poem's athletic feats of wit may entertain readers, or disconcert them, but it has a purpose beyond rhetoric: it is an act of mourning ... and, maybe, an act of self-heartening, too.
From Slate • Dec. 11, 2012
For a while it looked as if the greater variety would disconcert the home defenders, who are so ferociously direct with their advance that they can be thrown by a change of direction.
From The Guardian • Jun. 9, 2012
To faze is to disconcert or embarrass; it comes from a Middle English word, fesen, which meant “drive away” or “put to flight.”
From "Woe Is I" by Patricia T. O'Conner
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
