This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of, relating to, or caused by a virus.

adj. Of or relating to a biological virus.

adj. Caused by a virus.

adj. Of the nature of an informatic virus; able to spread copies of itself to other computers.

adj. Spread by word of mouth, with minimal intervention in order to create buzz and interest.

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

adj. relating to or caused by a virus

go viral    viral marketing   

antiviral    spiral   

bacterial    infectious    fungal    endogenous    cellular    intestinal    airborne    systemic    biological    mammalian