Disconcert
Disconcert , transitive verb
[Prefix dis- + concert: compare Old French desconcerter, French 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.
Disconcert , noun
Want of concert; disagreement. — Sir W. Temple