To frustrate (plans, for example) by throwing into disorder; disarrange.
To upset the composure of; embarrass; confuse.
To cause to lose composure; embarrass or confuse.
He was disconcerted by the teacher's angry tone.
To frustrate (plans, etc.)
Disconcert is defined as to embarrass or frustrate.
An example of disconcert is for a person to upset her best friend by telling her secret to everyone.
Origin of disconcert
- Obsolete French disconcerter from Old French desconcerter des- dis- concerter to bring into agreement (from Old Italian concertare concert)
From American Heritage Dictionary of the English Language, 5th Edition
- From Middle French desconcerter, from des- (“dis-”) + concerter (“to bring into agreement, organize”).