CHAPTER 10 The Allens, Thorpes, and Morlands all met in the evening at the theatre; and, as Catherine and Isabella sat together, there was then an opportunity for the latter to utter some few of the many thousand things which had been collecting within her for communication in the immeasurable length of time which had divided them.
There are no more uses of "immeasurable" in the book.
Show samples from other sources
"While I’m sure we’re all immeasurably relieved that you’ll be looking after the Blackthorn children," said Luke, "Helen is one of them.
Cassandra Clare -- City of Heavenly Fire
I settled into rituals, which improved the quality of my existence immeasurably.