Answer:

logy

Answer	Crossword Clue
LOGY	Lacking energy
LOGY	Not fully awake, maybe
LOGY	Feeling sluggish

LOGY	Lethargic
LOGY	Lacking pep
LOGY	Sluggish
LOGY	Lethargic after lunch
LOGY	Feeling a bit out of it
LOGY	In the dumps
LOGY	Hardly energetic
LOGY	Sluggish from overeating

LOGY	Enervated
LOGY	Dull.
LOGY	Sluggish: Colloq.
LOGY	Dull or sluggish.
LOGY	Apathetic.
LOGY	Sluggish.
LOGY	Heavy or dull.
LOGY	Torpid.

LOGY	Torpid
LOGY	Listless
LOGY	Torpid; sluggish
LOGY	Lacking resilience
LOGY	Half-awake
LOGY	Mentally sluggish
LOGY	Stuporous

Crossword

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