(a.) Extremely weary.

beat beat up beaten bleary bone-weary bushed dead dead-and-alive dead-tired deadbeat depleted dog-tired dog-weary done done in done up drained exhausted fagged out far-gone gone knocked out played out pooped pooped out prostrate ready to drop spent tired out tired to death tuckered out used up washed-out washed-up weary unto death whacked wiped out worn-out