Synonyms and related words :
beat, blow, break down, collapse, crack up, debilitate, die, die away, die out, do in, do up, droop, drop, enervate, exhaust, fag, fag out, faint, fatigue, fizzle, fizzle out, flag, flame out, frazzle, gasp, get tired, give out, go out, grow weary, harass, jade, knock out, knock up, overfatigue, overstrain, overtire, overweary, pant, peter out, play out, poop, poop out, prostrate, puff, puff and blow, run down, run out, sink, succumb, tire, tire out, tire to death, tucker, use up, weaken, wear, wear down, wear on, wear out, weary, wheeze, wilt, wind