Perceiving it vain to argue against her insanity, I was planning how I could reach something to wrap about her, without quitting my hold of herself (for I could not trust her alone by the gaping lattice), when, to my consternation, I heard the rattle of the door-handle, and Mr. Linton entered.
There are no more uses of "consternation" in the book.
Show samples from other sources
With a look of consternation, her teacher asked if anyone had done the reading.
He was a natural athlete, but to the coaches consternation, he tended to forget the play in the heat of the moment.