[ dis-kuh n-sur-ting ]
/ ˌdɪs kənˈsɜr tɪŋ /


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

Definition for disconcerting (2 of 2)


[ dis-kuhn-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

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

Synonym study

1. See confuse.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for disconcerting

British Dictionary definitions for disconcerting (1 of 2)


/ (ˌdɪskənˈsɜːtɪŋ) /


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

British Dictionary definitions for disconcerting (2 of 2)


/ (ˌdɪskənˈsɜːt) /

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