to peter out
pe
ˈpi:
pi
ter
tər
tēr
out
aʊt
awt

Definition & Meaning of "peter out"in English

to peter out
01

to gradually end or fade away, often due to becoming weakened 

to peter out definition and meaning
Grammatical Information
Composition
phrasal
Action verb
Regular
Inseparable
Particle
out
Base verb
peter
Present tense
peter out
3rd person singular
peters out
Present participle
petering out
Past simple
petered out
Past participle
petered out
Examples
The trail peters out about half a mile up the mountain, making it difficult to follow. 
02

to gradually fade away to the point of stopping or disappearing 

Examples
After running the marathon, Sarah petered out and had to rest for the whole day. 
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