The meaning of viral is of, relating to, or caused by a virus. How to use viral in a sentence. Of, relating to, or caused by a virus.

The word viral means relating to viruses (small infectious agents). It may also refer to: Memetic behavior likened that of a virus, for example: Caused by a virus; Spreading very quickly to many people especially through the internet Of, relating to, or caused by a virus.

Spreading very quickly to many people especially through the internet Of, relating to, or caused by a virus.