Definition of Sullenness

Babylon English Dictionary
sulkiness, moroseness, brooding resentment; gloominess; sluggishness
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Sullenness Definition from Language, Idioms & Slang Dictionaries & Glossaries
JM Welsh <=> English Dictionary
Sor = n. a chafed state; sullenness
WordNet 2.0

Noun
1. a gloomy ill-tempered feeling
(synonym) moroseness, glumness
(hypernym) moodiness
2. a sullen moody resentful disposition
(synonym) sulkiness, moroseness, sourness
(hypernym) ill nature