Towards the end of the morning, however, Catherine, having occasion for some indispensable yard of ribbon which must be bought without a moment’s delay, walked out into the town, and in Bond Street overtook the second Miss Thorpe as she was loitering towards Edgar’s Buildings between two of the sweetest girls in the world, who had been her dear friends all the morning.
There are no more uses of "indispensable" in the book.
Show samples from other sources
Then a big pot was brought out as we raced to retrieve our indispensable spoons and bowls.
Leon Leyson -- The Boy on the Wooden Box
In fourteen years in Bluffton he had sired two sons and managed to worm his way so completely into Bennington’s life and make himself so indispensable that he sometimes seemed like Bennington’s third leg.