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English definition of “persistent”

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persistent

adjective uk   /pəˈsɪs.tənt/ us    /pɚ-/
lasting for a long time or difficult to get rid of: a persistent smell/skin rash Symptoms of the illness include a high temperature and a persistent dry cough. There have been persistent rumours that the managing director might take early retirement.C2 Someone who is persistent continues doing something or tries to do something in a determined but often unreasonable way: Be persistent - don't give up. He has been a persistent critic of the president. She is a persistent offender and has been arrested five times this year for shoplifting.
persistently
adverb uk   /-li/ us  
They have persistently ignored our advice.
(Definition of persistent from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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