1. viral - Noun
2. viral - Adjective
relating to or caused by a virus
Source: WordNetThe idea of the live-virus vaccine is to produce in a continuous way some viral antigens. Luc Montagnier
If you become a viral star, that is terrific! Al Walser
More and more, the things we do in real life will end up as Facebook posts. And while we may be consoled by the fact that most of this stuff is being posted just to our friends, it only takes one friend to share that information with his or her friends to start a viral chain. Ben Parr
Every advance in knowledge and technique is matched by a new kind of death, a new strain. Death adapts, like a viral agent. Don DeLillo
If somebody writes a review of a dry cleaner, that piece of content is not wildly viral. It's not like a viral video that can spread across the world in a matter of minutes, so as a result, each market is almost an island unto itself. Jeremy Stoppelman
Going viral isn't random, magic, or luck. It's a science. Jonah Berger