Definition of persistent in English:


Syllabification: per·sist·ent
Pronunciation: /pərˈsistənt


  • 2Continuing to exist or endure over a prolonged period: persistent rain will affect many areas persistent reports of human rights abuses by the military
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    • In terms of pain, however, ‘chronic’ denotes persistent pain over a period of at least three months.
    • The National Center for Health Statistics estimates that 32.8 percent of the U.S. general population has persistent or chronic pain symptoms.
    • It is defined as persistent or recurrent abdominal pain or abdominal discomfort centered in the upper abdomen.
  • 2.1(Of a chemical or radioactivity) remaining within the environment for a long time after its introduction: PCBs are persistent environmental contaminants
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    • However, these chemicals are persistent in the environment, and low-level exposures continue to occur in the general population.
    • Reducing the amount of fatty foods eaten prior to pregnancy is also a good bet, as that lessens exposure to persistent chemicals like PCBs and dioxin.
    • Was there a danger that persistent chemicals could be in the soil, or heavy metals, that sort of thing?
  • 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.
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    • Both groups had woody stems that were heavily armored with persistent leaf bases, much like modern cycads.
    • Notice the short stout, unbranched stems, armored with persistent leaf bases.
    • Coley found that leaf toughness was the most important factor determining leaf palatability for herbivores on persistent and pioneer trees of the tropical rain forest in Panama.



More example sentences
  • This would have brought an end to the frequent power outages that plagued the territory persistently last year.
  • The Judge said the detectives had persistently lied under cross-examination.
  • The inflation data showed persistently large divergences between national inflation rates.

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Pronunciation: kərf
a slit made by cutting with a saw