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English definition of “stumble across/on something/someone”

stumble across/on something/someone

verb [I] phrasal verb with stumble  /ˈstʌm·bəl/ us  
to discover or find something or someone by chance: Look at what I stumbled across at the flea market!
(Definition of stumble across/on something/someone from the Cambridge Academic Content Dictionary © Cambridge University Press)
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