Pronunciation: /pəˈsɪst(ə)nt/
adjective
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1continuing firmly or obstinately in an opinion or course of action in spite of difficulty or opposition: one of the government’s most persistent critics an attempt to stop persistent drink-drivers
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2continuing to exist or occur over a prolonged period: persistent rain will affect many areas persistent reports of human rights abuses by the military
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(of chemicals or radioactivity) remaining within the environment for a long time after introduction: PCBs are persistent environmental contaminants
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3 Botany & Zoology (of a part of an animal or plant, such as a horn, leaf, etc.) remaining attached instead of falling off in the normal manner.
