'Disconcert' definitions:

Definition of 'disconcert'

From: WordNet
verb
Cause to feel embarrassment; "The constant attention of the young man confused her" [syn: confuse, flurry, disconcert, put off]
verb
Cause to lose one's composure [syn: upset, discompose, untune, disconcert, discomfit]

Definition of 'Disconcert'

From: GCIDE
  • Disconcert \Dis`con*cert"\, v. t. [imp. & p. p. Disconcerted; p. pr. & vb. n. Disconcerting.] [Pref. dis- + concert: cf. OF. desconcerter, F. d['e]concerter.]
  • 1. To break up the harmonious progress of; to throw into disorder or confusion; as, the emperor disconcerted the plans of his enemy. [1913 Webster]
  • 2. To confuse the faculties of; to disturb the composure of; to discompose; to abash. [1913 Webster]
  • The embrace disconcerted the daughter-in-law somewhat, as the caresses of old gentlemen unshorn and perfumed with tobacco might well do. --Thackeray.
  • Syn: To discompose; derange; ruffle; confuse; disturb; defeat; frustrate. [1913 Webster]

Definition of 'Disconcert'

From: GCIDE
  • Disconcert \Dis`con*cert"\, n. Want of concert; disagreement. --Sir W. Temple. [1913 Webster]