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English definition of “react against sth”

react against sth

verb [I] uk phrasal verb with react   /riˈækt/ us  
C2 to intentionally do the opposite of what someone wants you to do because you do not like their rules or ideas: He reacted against everything he had been taught.Refusing and rejecting
(Definition of react against sth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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