- confuse: cause to feel embarrassment; "The constant attention of the young man confused her"
- upset: cause to lose one's composure
- (disconcerted) discombobulated: having self-possession upset; thrown into confusion; "the hecklers pelted the discombobulated speaker with anything that came to hand"; "looked at each other dumbly, quite disconcerted"- G.B.Shaw
- (disconcerting) causing an emotional disturbance; "his disconcerting habit of greeting friends ferociously and strangers charmingly"- Herb Caen; "an upsetting experience"
- To upset the composure of; To bring into confusion; To frustrate, make go wrong
- (disconcerted) Ruffled, upset and embarrassed; Self-consciously distressed; Frustrated and disarranged
- (disconcerting) Tending to cause discomfort, uneasiness or alarm; unsettling; troubling; upsetting
- (Disconcerting) Ominous? As alien a pair of words as I can think of to describe Manhattan's skyscrapers. And consider, the tallest skyscrapers in Sanborn's New York were ten stories high! ...
- (the opponent) - To harass or annoy the opponent in an attempt to distract them at any time during a match, but especially when they are preparing to shoot. It is a foul to disconcert an opponent in a tournament and it is an example of poor sportsmanship.
- disturb composure of; fluster