Answer: lethargic

AnswerCrossword Clue
LETHARGICLacking pep
LETHARGICDull
LETHARGICSluggish
LETHARGICDraggy
LETHARGICThe reverse of energetic.
lethargicshowing lethargy also LETHARGICAL
lethargicAffected by lethargy; sluggish and apathetic