[dis-kuh n-sur-ting]


disturbing to one's composure or self-possession; upsetting, discomfiting.
confusing, usually in the face of something totally unexpected; perplexing.

Related formsdis·con·cert·ing·ly, adverbdis·con·cert·ing·ness, noun



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

From the obsolete French word disconcerter, dating back to 1680–90. See dis-1, concert
Related formsdis·con·cert·ed, adjectivedis·con·cer·tion, dis·con·cert·ment, noun

Synonyms for disconcert

Synonym study

1. See confuse.

Antonyms for disconcert

1. calm. 2. arrange.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for disconcerting

Contemporary Examples of disconcerting

Historical Examples of disconcerting

  • "I advise you to do so, monsieur," was the disconcerting reply.


    Rafael Sabatini

  • Really, Aline, you have a trick of asking the most disconcerting and improper questions.


    Rafael Sabatini

  • The fact that Luga was with the rebels gave rise to disconcerting gossip.


    James Huneker

  • Esther did not seem to him a disturbing force, only a disconcerting one.

    The Prisoner

    Alice Brown

  • This was disconcerting, but she could not drive out the feeling.

    The Greater Power

    Harold Bindloss

British Dictionary definitions for disconcerting



causing a feeling of disturbance, embarrassment, or confusion; perturbing; worrying
Derived Formsdisconcertingly, adverb


verb (tr)

to disturb the composure of
to frustrate or upset
Derived Formsdisconcertion or 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

Word Origin and History for disconcerting



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