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English definition of “stumble across/on/upon sth/sb”

stumble across/on/upon sth/sb

verb uk phrasal verb with stumble   /ˈstʌm.bl̩/ us  
C2 to discover something by chance, or to meet someone by chance: Workmen stumbled upon the mosaic while digging foundations for a new building.Finding and discovering
(Definition of stumble across/on/upon sth/sb from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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