(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 virality

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

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.

The act or the process of going viral

(advertising, marketing) Synonym of virality

(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.

Media that is passed from person to person.