He spoke cheerfully, and if he felt any great anxiety, he did not show it.
Anxiety was intense.
’I don’t know,’ said Frodo with sudden anxiety.
Glorfindel caught Frodo as he sank to the ground, and taking him gently in his arms he looked in his face with grave anxiety.
They followed the track for some while, for it offered much the easiest way down, but they went cautiously, and their anxiety increased as they came into the dark woods, and the path grew plainer and broader.
So far there had been no sign or sound of pursuit that the hobbits could see or hear; but often Glorfindel would halt and listen for a moment, if they lagged behind, and a look of anxiety clouded his face.
At the end of June I was in the Shire, but a cloud of anxiety was on my mind, and I rode to the southern borders of the little land; for I had a foreboding of some danger, still hidden from me but drawing near.
For a while the hobbits continued to talk and think of the past journey and of the perils that lay ahead; but such was the virtue of the land of Rivendell that soon all fear and anxiety was lifted from their minds.
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.