(virology) Of or relating to a biological virus. / (virology) Caused by a virus. / (computing) Of the nature of an informatic virus; able to spread copies of itself to other computers.

(marketing) A video, image or text spread by "word of mouth" on the internet or by e-mail for humorous, political or marketing purposes.

plural of viral

In a viral fashion; often specifically in the context of viral marketing. / (medicine) Due to, or by means of, a virus or viruses.

(advertising, marketing) The state or condition of being viral; tendency to spread by word of mouth.

(advertising, marketing) Synonym of virality

plural of virality

The act or the process of going viral

Media that is passed from person to person.

(advertising and marketing) A technique aiming at reproducing "word of mouth", usually on the internet or by e-mail, for humorous, political or marketing purposes.