moroseness

noun

1. (uncountable, usually)Gloominess; sullenness; deep sadness.

   “He acquired a slouching gait and ignoble look; his naturally reserved disposition was exaggerated into an almost idiotic excess of unsociable moroseness; and he took a grim pleasure, apparently, in exciting the aversion rather than the esteem of his few acquaintance.”

   “With the typical moroseness of a dipping twitcher he turned to me, looking cynically at my spotlight, and said, `I don't like your chances, mate.'”