He had a great aversion to taking things too hard; he thought that half the discomfort and many of the disappointments of life come from it; and for an instant he asked himself whether, possibly, he did not appear ridiculous to this intelligent young man, whose private perception of incongruities he suspected of being keen.
There are no more uses of "incongruity" in the book.
Show samples from other sources
We emphasized the incongruity of not allowing children to smoke, drink, vote, drive without restrictions, give blood, buy guns, and a range of other behaviors because of their well-recognized lack of maturity and judgment while simultaneously treating some of the most at-risk, neglected, and impaired children exactly the same as full-grown adults in the criminal justice system.
Bryan Stevenson -- Just Mercy
After a few seconds, I was able to bite through it, and I closed my eyes, trying to ignore the scent of clean male, the feel of his skin against mine, the incongruity of what I was doing.