It might have been some comfort to Mr. Baggins shivering on the barrels, if he had known that news of this had reached Gandalf far away and given him great anxiety, and that he was in fact finishing his other business (which does not come into this tale) and getting ready to come in search of Thorin’s company.
There are no more uses of "anxiety" in the book.
Show samples from other sources
She suffers from more than the usual pre-test anxiety.
It is a vicious cycle in which worry leads to a drop in the stock market and the drop in the stock market leads to increased anxiety.