The meaning of VIRAL is of, relating to, or caused by a virus. How to use viral in a sentence. Nov 23, 2022 · What is a viral infection? Viral infections are illnesses you get from tiny organisms that use your cells to make more copies of themselves (viruses). Viral infections commonly cause respiratory and digestive illnesses, but viruses can also infect most other parts of your body. VIRAL definition: 1. caused by a virus: 2. used to describe something that quickly becomes very popular or well…. Learn more. The word Viral means "relating to viruses " (small infectious agents). It may also refer to: Memetic behavior likened that of a virus, for example: Sep 22, 2025 · For years, “going viral” has been viewed as the ultimate marketing win—a single piece of content skyrocketing to massive visibility seemingly overnight. However, virality may not always 1. Of, relating to, or caused by a virus. 2. Of or relating to the rapid propagation of information, ideas, or trends by means of social networks rather than conventional mass media: viral marketing. A viral film clip, story, or message is one that spreads quickly because people share it on social media and send it to each other. used to describe a piece of information, a video, an image, etc. that is sent rapidly over the internet and seen by large numbers of people within a short time. Within 24 hours, the video went viral on YouTube and Facebook. Definition of viral adjective in Oxford Advanced Learner's Dictionary. Her tweet went viral, leading to widespread discussions online. The term commonly refers to something that spreads rapidly and widely, especially in relation to internet content or trends. Sep 24, 2025 · Yet again, something dreadful and new which he doesn't understand is going viral. Today's fad is, you paint a black vertical rectangle on the wall, or on a mirror, or over the top of a picture.