Definition of disconcert in US English:

disconcert

verb

[with object]
  • Disturb the composure of; unsettle.

    ‘the abrupt change of subject disconcerted her’
    ‘she was amused to see a disconcerted expression on his face’
    • ‘Finally they all swooshed to a halt and we clapped heartily, while feeling a bit disconcerted by the whole thing.’
    • ‘I've always been disconcerted as to why cities fall all over themselves trying to win the burden of the Olympics.’
    • ‘I've been disconcerted at my inability to come to a conclusion of my own on any of this - a minor sorrow right now, I know.’
    • ‘Evelyn was momentarily disconcerted by his response, until she saw his eyes focussing on her neck.’
    • ‘Whatever was flashing through the visibly disconcerted president's mind, he could not come up with a direct answer.’
    • ‘No level of incompetence or failure would either exasperate or disconcert him.’
    • ‘The young American bemoaned the wet and cold of the Pennines, disconcerted by their bleakness that inspired the Brontes more than a century before.’
    • ‘Except the one night before my marriage, I'd never stayed in a hotel, and I was disconcerted when Pete leapt out of bed at 7am to get to his ship by eight.’
    • ‘Slightly disconcerted by the lack of clues from the stranger as to what his ailments are, I look around.’
    • ‘Nevertheless they gave a good account of themselves for 40 minutes and disconcerted the visitors by their upbeat attitude.’
    • ‘He nodded, somewhat disconcerted by his mother's sudden generosity, and jogged up the stairs.’
    • ‘Do not be disconcerted if your insurer appoints a loss adjuster.’
    • ‘His tone seemed to genuinely disconcert some of the protesters.’
    • ‘Suddenly they stop, disconcerted by the noise of disturbed leaves.’
    • ‘Aren't you worried some of your early fans might get disconcerted by this?’
    • ‘Edie hesitated, and shook her head, being too disconcerted to say anything.’
    • ‘If this were to be over within 50 years I think people would be disconcerted.’
    • ‘In fact, they used the front door so infrequently that when they did, their mothers were disconcerted.’
    • ‘People are disconcerted, even frightened by that kind of lack of personal control.’
    • ‘Compulsive early music fanatics might be disconcerted by the variety of composition and performance styles.’
    unsettle, nonplus, discomfit, catch off balance, throw off balance, take aback, unnerve, disorient, perturb, disturb, perplex, confuse, bewilder, baffle, fluster, ruffle, shake, upset, agitate, worry, dismay, put out of countenance, discountenance, discompose
    View synonyms

Origin

Late 17th century (in the sense ‘upset the progress of’): from obsolete French desconcerter, from des- (expressing reversal) + concerter ‘bring together’.

Pronunciation

disconcert

/ˌdiskənˈsərt//ˌdɪskənˈsərt/