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English definition of “falsify”

falsify

verb [T] uk   /ˈfɒl.sɪ.faɪ/ us    /ˈfɑːl-/ disapproving
to change something, such as a document, in order to deceive people: The certificate had clearly been falsified.
falsification
noun [U] uk   /ˌfɒl.sɪ.fɪˈkeɪ.ʃən/ us    /ˌfɑːl-/
falsification of evidence
(Definition of falsify from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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