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English definition of “justify”

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justify

verb [T] uk   /ˈdʒʌs.tɪ.faɪ/ us  
B2 to give or to be a good reason for: [+ -ing verb] I can't really justify taking another day off work. Are you sure that these measures are justified?justify yourself B2 If you justify yourself, you give a good reason for what you have done: It was the only thing that I could do - I don't have to justify myself to anyone.
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(Definition of justify from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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