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1. End weakly
   "The music just petered out--there was no proper ending"
   - taper off, fizzle out, fizzle
    
2. Use up all one's strength and energy and stop working
   - poop out, run down, run out, conk out

Derived forms: petering out, petered out, peters out

Type of: discontinue, fatigue, jade, pall, tire, weary