She had, indeed, a quick vision of returning the packet to Bertha Dorset, and of the opportunities the restitution offered; but this thought lit up abysses from which she shrank back ashamed.
The very slowness and hesitancy of the effect increased its fascination: it was delicious to lean over and look down into the dim abysses of unconsciousness.
It was a meagre enough life, on the grim edge of poverty, with scant margin for possibilities of sickness or mischance, but it had the frail audacious permanence of a bird’s nest built on the edge of a cliff—a mere wisp of leaves and straw, yet so put together that the lives entrusted to it may hang safely over the abyss.
There are no more uses of "abyss" in the book.
Show samples from other sources
These were men who had built up wealth and social status over long careers and now found themselves looking into the abyss. [of the 1987 stock market crash]
Alan Greenspan -- The Age of Turbulence
The nerve-grinding squeal of the spike cutting through the ground sent a shiver up Thomas’s spine, though a second later the Griever tumbled into the abyss.