morose

1 ENTRIES FOUND:
morose /məˈroʊs/ adjective
morose
/məˈroʊs/
adjective
Britannica Dictionary definition of MOROSE
[more morose; most morose]
1 
of a person : very serious, unhappy, and quiet
2 
: very sad or unhappy

— morosely

adverb

— moroseness

noun [noncount]