Tristeness

I think I have somewhere met with the observation that nobody ever leaves paris but with a degree of tristeness.

Source: wiktionary

This gloomy tristeness reigns triumphant over most of the streets, except when a review, or some other public occasion, attracts the population of the provinces.[…]; and, owing to there being no theatres, concerts, balls, or merry-making, an air of indescribable tristeness pervaded every thing, rendered still more melancholy by the number of people attired in that mournful garb which told of the loss of some beloved relative, or valued friend.[…]Solitude had usurped the throne of gaiety; gloom and tristeness were the substitutes for mirth and music:[…]

Source: wiktionary

Opposite Simone the cat and the sportive Georgette were having a low-voiced conversation about the tristeness of a monsieur of their acquaintance.

Source: wiktionary