Dis`con*cert" (?), v. t. [imp. & p. p. Disconcerted; p. pr. & vb. n. Disconcerting.] [Pref. dis- + concert: cf. OF. desconcerter, F. déconcerter.] 1. To break up the harmonious progress of; to throw into disorder or confusion; as, the emperor disconcerted the plans of his enemy.

2. To confuse the faculties of; to disturb the composure of; to discompose; to abash.

The embrace disconcerted the daughter-in-law somewhat, as the caresses of old gentlemen unshorn and perfumed with tobacco might well do.

Syn. -- To discompose; derange; ruffle; confuse; disturb; defeat; frustrate.

Dis`con*cert" (?), n. Want of concert; disagreement. Sir W. Temple.

• To upset the composure of
  
• To frustrate (as in plans)