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English definition of “peter out”

peter out

phrasal verb with peter     /ˈpiː.tər/ US  /-t̬ɚ/ verb
to gradually stop or disappear : The fighting which started in the night had petered out by morning . The track petered out after a mile or so.Coming to an endCausing something to end
(Definition of peter out from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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