morose

Synonyms: acrimonious blue brusque cantankerous choleric churlish crabbed crabby cranky cross dolorous dour down down in the dumps down in the mouth frowning gloomy glum grouchy gruff harsh having blue devils having the blahs ill-humored ill-tempered in a bad mood in a blue funk irritable low melancholy moody moping mournful perverse perversive sad saturnine singing the blues snappish sour splenetic sulky sullen surly taciturn testy troubled ugly

Antonyms: cheerful friendly happy light-hearted optimistic uplifted