sullenness

noun

1. (uncountable)The state or quality of being sullen.

   ““Marry come up—are you there with your bears?” muttered the dragon, with a draconic sullenness, which was in good keeping with his character, “we had as good have been Romans still, if we are to have no freedom in our pastimes!””

   “’Twas sunset: when the sun will part There comes a sullenness of heart To him who still would look upon The glory of the summer sun.”

   “The detectives were still wrapped in sullenness, remembering the grieving woman and a lead that had led nowhere.”

2. (countable, rare)The result or product of being sullen.