Definition of viral in English:

viral

adjective

  • 1Of the nature of, caused by, or relating to a virus or viruses.

    • ‘The three most common types of conjunctivitis are: viral, allergic and bacterial.’
    • ‘Symptoms and signs of influenza in children are not specific and can mimic a range of other common respiratory viral pathogens.’
    • ‘There are a number of causes of meningitis, including viral and bacterial infections.’
    • ‘There is no guaranteed way of preventing viral and bacterial infections.’
    • ‘Dogs can be a host to several bacterial and viral infections that you can contract such as ring worm.’
    • ‘It is a form of infection which is generally from the food passing through the bowels and can be bacterial or even viral.’
    • ‘The doctor checks other symptoms presented by the patient, to work out whether the tonsillitis is viral or bacterial.’
    • ‘A really complex microfluidic device ought to be able to synthesis a viral pathogen.’
    • ‘Wild gorillas suffer a range of viral and bacterial illnesses as well as internal and external parasites.’
    • ‘The complexities that surround the properties of viral bacteria are discussed with wonderful clarity.’
    • ‘Oral herpes is a viral infection that affects the mouth, throat, and parts of the face.’
    • ‘It is difficult for non-medically trained people to know if their ailment is bacterial or viral.’
    • ‘Further tests should show whether the whale had any bacterial or viral infection.’
    • ‘It is a sign of other problems in the body, and is usually caused by a viral or bacterial infection.’
    • ‘Such infections would include viral and intracellular bacterial infections.’
    • ‘Neither do attacks appear viral or worm-like in nature, as had been suspected.’
    • ‘Pieces of DNA are inserted into a bacterial or viral host in a form that replicates asexually.’
    • ‘Many serious viral and bacterial infections can now be prevented or treated by vaccination or antibiotics.’
    • ‘Swabs taken into viral culture medium yielded herpes simplex virus type 2.’
    • ‘Some doctors believe that pityriasis rosea is caused by a viral or bacterial infection.’
  • 2(of an image, video, piece of information, etc.) circulated rapidly and widely from one Internet user to another.

    ‘a viral ad campaign’
    ‘the video went viral and was seen by millions’
    • ‘The resulting viral spread of hype ensured that their debut album became the fastest selling record in British history.’
    • ‘Weblogs are a viral medium of expression, spread by contact with webloggers.’
    • ‘Using multimedia, his blog and the viral nature of the net, he's shown that one voice can echo around the world.’
    • ‘In fact the email is not viral, but the product of an online marketing initiative run by the e-card company.’
    • ‘It's a shame really, because the viral nature of the webnetthingy could have one of two profound effects on politics.’

noun

  • An image, video, piece of information, etc. that is circulated rapidly and widely on the Internet.

    ‘the rise of virals in online marketing’
    • ‘The most frequent type of security breach was a result of virals coming from outside the enterprise.’
    • ‘The second most common virals today are emails.’
    • ‘As with all great virals, the story delivers a nice little twist at the end.’
    • ‘There's currently lots of talk in the advertising biz about doing away with straight broadcasting messages and replacing them with virals or whatever.’
    • ‘Businesses are waking up to the need for this high level of protection, but are still being bombarded by virals.’

Pronunciation:

viral

/ˈvʌɪr(ə)l/