make somebody feel worried or anxious
disconcert - upset
If something were to ‘disconcert’ you, then it would disturb your composure and lead you to feel distressed in some way. Typically this is the temporary result of an upsetting, shocking, or confusing incident or experience. As such, this word is always used in a negative context.
There was a strange and hostile atmosphere at the event. I would be lying if I said that it didn’t disconcert me a little.
I received a frosty reception from my new co-workers on my first day in the office which left me with a rather disconcerting feeling.
The media’s coverage of the crisis often leaves Sarah feeling disconcerted, so she’s decided to stop watching or reading the news.