lethargic

adj.

[1]	lethargical , unenrgetic , sluggish , slow , dull , heavy , lazy , indolent , phlegmatic , slothful , idle , languid , languorous , listless , fain , ant , inactive , torpid , stuporous , comatose , indifferent , apathetic
[2]	weary , tired , fagged out , fatigued , enervated , weak , exhausted , drowsy , sleepy , somnolent