He had made himself indispensable in several quarters, amongst others in his department of the government; and yet it was a known fact that Fedor Ivanovitch Epanchin was a man of no education whatever, and had absolutely risen from the ranks.
But a certain limitation of mind seems to be an indispensable asset, if not to all public personages, at least to all serious financiers.
He had calculated upon her eventual love, and tried to tempt her with a lavish outlay upon comforts and luxuries, knowing too well how easily the heart accustoms itself to comforts, and how difficult it is to tear one’s self away from luxuries which have become habitual and, little by little, indispensable.
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.