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English definition of “surefire”

surefire

adjective [before noun] uk   /ˈʃɔː.faɪər/ us    /ˈʃʊr.faɪr/ informal
certain or likely, especially to succeed: The film looks a surefire Oscar winner. Running into the road like that is a surefire way to get hurt.CertaintyConfidence and self-assurance
(Definition of surefire from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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