Definition of persistent in English:

persistent

Syllabification: per·sist·ent
Pronunciation: /pərˈsistənt
 
/

adjective

  • 2Continuing to exist or endure over a prolonged period: persistent rain will affect many areas persistent reports of human rights abuses by the military
    More example sentences
    • 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.
    Synonyms
  • 2.1(Of a chemical or radioactivity) remaining within the environment for a long time after its introduction: PCBs are persistent environmental contaminants
    More example sentences
    • 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.
    More example sentences
    • 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.

Derivatives

persistently

adverb
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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