Definition of persistent in English:

persistent

adjective

  • 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’
    • ‘He has been a persistent critic of US foreign policy and the IMF.’
    • ‘Be patient and persistent in achieving your purpose.’
    • ‘Now, there's a thing: ‘a persistent irritating critic; a nuisance.’’
    • ‘Yet, of course, Andrew was persistent and followed her in her wake.’
    • ‘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.’
    • ‘A south Essex mum jailed for her daughter's persistent truancy today branded her imprisonment a ‘waste of time and money’.’
    • ‘Is it one of those great ideas where the parent is sent to prison if their children is a persistent truancy offender?’
    • ‘Assertiveness emphasizes self-confidence and a persistent determination to express oneself or one's opinions.’
    • ‘Second, what will happen if the media's most persistent critics go back and read the specific stories that we criticized for being one-sided or pessimistic?’
    • ‘The latest effort from the racially diverse band should silence all but the most persistent critics.’
    • ‘It seems unlikely that the York review will silence the long, persistent and mounting opposition to fluoridation.’
    • ‘I think my most persistent critic is a certain Straussian who nonetheless often circulates to others particular posts of mine that he considers particularly good.’
    • ‘The persistent critic, therefore, has a vested interest in fault-finding.’
    • ‘The Philosopher Igal Kvart has been a persistent critic of the claim that it is possible to analyze counterfactuals without using causation.’
    • ‘A judge has told a persistent drink-driver to pass a medical examination before he can drive again.’
    • ‘But a persistent critic could argue that this showed how skillfully the participant, the caller, and the hidden accomplice had devised the deception.’
    • ‘An attendance officer has been employed to work alongside the LEA's welfare service in tackling persistent truancy.’
    • ‘They were very persistent and were very difficult to suppress.’
    • ‘The senior senator from West Virginia has been a persistent critic of the administration's justifications.’
    • ‘My persistent opposition has become a thorn in the side of the trade union leaders, because it has exposed their shameless collaboration with management.’
    tenacious, persevering, determined, resolute, purposeful, dogged, single-minded, tireless, indefatigable, pertinacious, patient, diligent, assiduous, sedulous, unflagging, untiring, unwavering, insistent, importunate, relentless, unrelenting
    View synonyms
  • 2Continuing to exist or occur over a prolonged period.

    ‘persistent rain will affect many areas’
    ‘persistent reports of human rights abuses by the military’
    • ‘It is defined as persistent or recurrent abdominal pain or abdominal discomfort centered in the upper abdomen.’
    • ‘In terms of pain, however, ‘chronic’ denotes persistent pain over a period of at least three months.’
    • ‘Most interesting of all, the super-exclusive card came into being as a result of the persistent rumor that it existed.’
    • ‘Unfortunately, Tuesday's camp was cancelled due to persistent rain.’
    • ‘Around 20 percent of primary care patients report having persistent pain.’
    • ‘Heavy and persistent rain has been forecast for today with a risk of flooding, however only one flood warning remains in place - at Cononley near Skipton.’
    • ‘Patients who have trigger points often report regional, persistent pain that usually results in a decreased range of motion of the muscle in question.’
    • ‘But massive traffic hold-ups and persistent heavy rain led to visitors complaining about muddy pathways and uneven road surfaces.’
    • ‘Left unattended this will progress to a persistent headache and neck pain.’
    • ‘Widespread anxiety is heightened by persistent rain and further flood warnings.’
    • ‘Constant and persistent rain is taking its toll on the city's infrastructure.’
    • ‘During that time there had been persistent rain and frost.’
    • ‘They couldn't finish yesterday as planned because of the persistent rain which made it impossible to do any cutting with the angle grinder outside.’
    • ‘More thundery showers are predicted for tomorrow and Thursday, before persistent rain takes hold on Friday and Saturday.’
    • ‘Management of recurrent or persistent pain can be extremely difficult.’
    • ‘Since seeing my doctor last month about the persistent pain in my wrist and shoulder, my wrist has recovered almost completely.’
    • ‘If the pain is persistent then surgical options are explored.’
    • ‘The National Center for Health Statistics estimates that 32.8 percent of the U.S. general population has persistent or chronic pain symptoms.’
    • ‘Now the small towns seem sleepy, subject to the slower economy and the persistent rain, but then… I don't know.’
    • ‘The persistent rain caused major floods on Monday, with the three districts of Larantuka, Lohayong and Posto - all in East Flores - being submerged.’
    continuing, constant, continual, continuous, non-stop, lasting, never-ending, steady, uninterrupted, unbroken, interminable, incessant, unceasing, endless, unending, perpetual, unremitting, unrelenting, relentless, unrelieved, sustained
    chronic, permanent, lingering, nagging, frequent, repeated, habitual
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    1. 2.1 (of chemicals or radioactivity) remaining within the environment for a long time after introduction.
      ‘PCBs are persistent environmental contaminants’
      • ‘But trying to avoid hazardous chemicals that are persistent and ubiquitous in the environment is not really an answer either.’
      • ‘The processes used affect the environment and generate persistent wastes, and the products themselves may have undesirable emissions and toxic effects.’
      • ‘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.’
      • ‘However, these chemicals are persistent in the environment, and low-level exposures continue to occur in the general population.’
      • ‘Such chemicals are known as persistent organic pollutants.’
      • ‘The seal assures the product was created without toxic and persistent chemicals, in accordance with strict organic standards.’
      • ‘The pesticide cocktail includes old and persistent pesticides like DDT and lindane.’
      • ‘Incineration has been used for decades as the magic-bullet solution to disposing of otherwise persistent waste materials.’
      • ‘Is it persistent in the food chain, or is it simply toxic?’
      • ‘The book forecast a time when DDT and other persistent pesticides used at that time could produce a spring where there were no birds left to sing.’
      • ‘It is persistent in the environment and has the potential to accumulate in organisms such as shellfish and humans.’
      • ‘Dioxins are a group of persistent and very toxic chemicals that are the by-products of PVC production.’
      • ‘If some antibiotics prove persistent in the environment, they could gradually accumulate in soils.’
      • ‘PCBs have been banned since 1977, but they are extremely persistent and still can be found throughout the marine food chain.’
      • ‘One of the most damaging and persistent chemicals found in the home is an old staple: formaldehyde.’
      • ‘The purpose of the convention is to protect human health and the environment from persistent organic pollutant chemicals.’
      • ‘Many of these chemicals are persistent and fat soluble and they tend, therefore, to accumulate in animal tissue.’
      • ‘Was there a danger that persistent chemicals could be in the soil, or heavy metals, that sort of thing?’
      • ‘Bans on many of the persistent, bioaccumulative chemicals have resulted in clear decreases in levels of these chemicals in countries where we have time-trend data.’
      • ‘Dioxin is persistent in the environment and in the human body, whereas the herbicides are not.’
  • 3Zoology Botany
    (of a part of an animal or plant, such as a horn, leaf, etc.) remaining attached instead of falling off in the normal manner.

    • ‘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.’
    • ‘Unfertilized flowers remain persistent on stems for several weeks.’
    • ‘Numerous golden sporangia with persistent peridia still intact formed on the bark surface and on mosses.’
    • ‘Both groups had woody stems that were heavily armored with persistent leaf bases, much like modern cycads.’

Pronunciation

persistent

/pəˈsɪst(ə)nt/