"sulkiness" in the noun sense
1. sulk, sulkiness
a mood or display of sullen aloofness or withdrawal
"stayed home in a sulk"
2. sulkiness, huffishness
a feeling of sulky resentment
3. sulkiness, sullenness, moroseness, sourness
a sullen moody resentful disposition
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License