Synonyms: run down, run out, peter out, conk out, poop out
Definition: use up all one's strength and energy and stop working
Usage: At the end of the march, I pooped out
Similar words: pall, tire, fatigue, jade, weary
Definition: lose interest or become bored with something or somebody
Usage: I'm so tired of your mother and her complaints about my food
Synonyms: taper off, peter out, fizzle, fizzle out
Definition: end weakly
Usage: The music just petered out--there was no proper ending
Similar words: discontinue
Definition: come to or be at an end
Usage: the support from our sponsoring agency will discontinue after March 31