The chief problem of the philosophy of all ages consists just in finding the indispensable connection which exists between individual and social interests.
And for him, living in a certain society—owing to the need, ordinarily developed at years of discretion, for some degree of mental activity—to have views was just as indispensable as to have a hat.
As though tears were the indispensable oil, without which the machinery of mutual confidence could not run smoothly between the two sisters, the sisters after their tears talked, not of what was uppermost in their minds, but, though they talked of outside matters, they understood each other.
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.