Answer: gloomier

AnswerCrossword Clue
GLOOMIERMore morose
GLOOMIERMore despondent
GLOOMIERNot as bright
GLOOMIERMore depressing
gloomierFeeling distressed or pessimistic
gloomierCausing distress or depression
gloomierGLOOMY, dismally dark
gloomierDark or poorly lit, esp. so as to appear depressing or frightening