dark mood

• melancholySubdued, lasting sadness
• gloomPervasive dimness or dejection
• somberGravely serious in mood
• broodingAnxiously dwelling on something
• sullenSilently bad-tempered

bleak · despair · shadow · heaviness · blues · morose · dreary · downcast · murky · stormy · ominous · foreboding · depression · sadness · brood · thunder · gray · mope

• grumpinessgrumpiness, crankiness, moodiness, sullenness, grouchiness
• mood idiomsbad mood, black mood, foul mood, in a mood, in a funk
• sadnesssad, unhappy, grief, sorrowful, heartbroken
• creepy feelingseeriness, spookiness, creepiness, dread, foreboding
• irritabilitycranky, grouchy, grumpy, irritated, annoyed
• body idiomsheart of gold, heart of stone, cold heart, warm heart, soft heart