Synonyms of the word 
MOROSENESS → GLUMNESS - MOODINESS - SOURNESS - SULKINESS - SULLENNESS
moroseness
- n. Gloominess; sullenness; deep sadness.
glumness
- n. The emotion of being glum.
moodiness
- n. The property of being moody.
sourness
- n. The quality or condition of being sour, usually said of human personalities.
sulkiness
- n. (uncountable) The state or quality of being sulky.
- n. (countable) The result or product of being sulky.
sullenness
- n. (uncountable) The state or quality of being sullen.
- n. (countable, rare) The result or product of being sullen.
If you are interested in words, visit the following sites :
- wiktionary.org/moroseness For complete definition of a word
- 1word.ws/moroseness to play with words, suffixs, prefixs, etc.