Of, relating to, or caused by a virus. Of, relating to, or caused by a virus. See examples of viral used in a sentence.

It may also refer to: Memetic behavior likened that of a virus, for example: The meaning of viral is of, relating to, or caused by a virus. How to use viral in a sentence. 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.

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.