Again, as before, all of a sudden, without the slightest transition, he felt cast down from a pinnacle of happiness, peace, and dignity, into an abyss of despair, rage, and humiliation.
It was only when the same evening he came to their house before the theater, went into her room and saw her tear-stained, pitiful, sweet face, miserable with suffering he had caused and nothing could undo, he felt the abyss that separated his shameful past from her dovelike purity, and was appalled at what he had done.
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.