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English definition of “contra-”

contra-

prefix uk   /ˈkɒn.trə/ us    /ˈkɑːn-/
against or opposite: to contradict (= say the opposite) contraception (= something that is used to prevent pregnancy)Preventing and impedingLimiting and restricting
(Definition of contra- from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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