Definition of persistent in English:

persistent

Syllabification: per·sist·ent
Pronunciation: /pərˈsist(ə)nt
 
/

adjective

1Continuing firmly or obstinately in a course of action in spite of difficulty or opposition: one of the government’s most persistent critics
More example sentences
  • That did not go down well with the young woman and in spite of her persistent protests, her moaning and screaming, she was released only after the feasters had their fill.
  • It seems unlikely that the York review will silence the long, persistent and mounting opposition to fluoridation.
  • My persistent opposition has become a thorn in the side of the trade union leaders, because it has exposed their shameless collaboration with management.
Synonyms
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.

Definition of persistent in:

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