THESAURUS
draining
aspiration, bleeding, bloodletting, breakdown, broaching, clamant, clamorous, cleaning out, clearance, clearing, collapse, coming apart, crack-up, cracking, crumbling, crying, cupping, decadent, declining, defecation, degenerate, demanding, depletion, deteriorating, devitalizing, discharging cargo, disintegrating, drafting, drainage, drawing, drooping, dwindling, ebbing, effete, egress, elimination, emptying, enervating, enfeebling, evacuation, exacting, excretion, exhaustedness, exhausting, exhaustion, exigent, exorbitant, extortionate, fading, failing, falling, fatiguesome, fatiguing, flagging, fragmenting, going to pieces, grasping, grueling, importunate, insistent, instant, killing, languishing, loud, marcescent, milking, nervous exhaustion, nervous prostration, off-loading, persistent, pertinacious, phlebotomy, pining, pipetting, pressing, prostration, pumping, punishing, regressive, removal, retrograde, retrogressive, sapping, shriveling, sinking, siphoning, sliding, slipping, slumping, straining, stressful, subsiding, sucking, suction, tabetic, tapping, taxing, tiresome, tiring, toilsome, trying, unloading, urgent, venesection, venting, voidance, voiding, waning, wasting, weakening, weariful, wearing, wearisome, wearying, wilting, withering, worsening
