With touching fidelity they seized every chance of meeting Mrs. Archer and Janey in the course of their continental travels, and displayed a supernatural acuteness in finding out when they were to pass through London on their way to or from the States.
There are no more uses of "fidelity" in the book.
Show samples from other sources
But it was only decent, and now I was a cheater, and I couldn’t ruin my record of fidelity on something merely average.
Gillian Flynn -- Gone Girl
That opening is scientifically and mathematically positioned by a factory-trained technician to enhance the TT AB-700’s true high-fidelity sound!"
Christopher Paul Curtis -- The Watsons Go to Birmingham—1963