Answer:

mopey

Answer	Crossword Clue
MOPEY	Down in the dumps
MOPEY	Glum
MOPEY	Listless

MOPEY	Exhibiting listlessness
MOPEY	Feeling blue
MOPEY	Apt to sulk
MOPEY	Prone to sulking
MOPEY	In the doldrums
MOPEY	Dejected
MOPEY	A little slow on the git-go
MOPEY	Displaying listlessness

MOPEY	Displaying listlessness, e.g.
MOPEY	Not a happy camper
MOPEY	In a sulk

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.