Synonyms of sullenness

2 Syllables
crossness, anger, sourness
3 Syllables
soundlessness, churlishness, moodiness, huffiness, surliness, tetchiness, grouchiness, ill-humor, crabbiness, muteness, speechlessness, gloominess, sulkiness, laconism
4 Syllables
hotheadedness, moroseness, noiselessness, acrimony, asperity, asperities
5 Syllables
saturninity, cantankerousness, disagreeableness
6 Syllables
irascibility
7 Syllables
inarticulateness