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English definition of “afoul”

afoul

adverb uk   /əˈfaʊl/ us  
run/fall afoul of sth/sb to experience problems, punishment, or harm because you do not obey a rule or disagree with a powerful organization, group, or person: He was 15 when he first ran afoul of the law. At one point Seeger fell afoul of the US government for his anti-war actions.
(Definition of afoul from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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