1. (

• confuse ,
• flurry ,
• disconcert ,
• put_off ,

) cause to feel embarrassment; "The constant attention of the young man confused her" ;

2. (

• upset ,
• discompose ,
• untune ,
• disconcert ,
• discomfit

) cause to lose one's composure ;

1. (

• disconcerting ,
• upsetting

) causing an emotional disturbance; "his disconcerting habit of greeting friends ferociously and strangers charmingly"- Herb Caen; "an upsetting experience" ;