Mr. Bingley was obliged to be in town the following day, and, consequently, unable to accept the honour of their invitation, etc. Mrs. Bennet was quite disconcerted.
Mary, though pretending not to hear, was somewhat disconcerted; and Elizabeth, sorry for her, and sorry for her father’s speech, was afraid her anxiety had done no good.
Catherine was disconcerted, and made no answer; but Lydia, with perfect indifference, continued to express her admiration of Captain Carter, and her hope of seeing him in the course of the day, as he was going the next morning to London.
There are no more uses of "disconcerting" in the book.
Show samples from other sources
It was disconcerting to realize the experts don’t really understand what is going on either.
Changing teachers in the middle of the semester was disconcerting.