viral

Shared very quickly by large numbers of people online.

• Her video went viral overnight.
• We laughed at a viral clip of a dancing dog.
• Why do some posts become viral?

Common phrases: go viral, viral video

Caused by, or connected with, a virus.

• He has a viral infection.
• The test detects viral DNA in blood.
• Antibiotics do not treat viral illnesses.

Opposites: bacterial

Common phrases: viral infection, viral disease

Spreading through people telling others, especially to attract attention to a product or idea.

• The company relies on viral marketing.
• A clever viral campaign brought in new customers.
• Their viral strategy encouraged fans to tell their friends.

Common phrases: viral marketing, viral campaign

A video, picture, or message that many people share online.

• The agency created a viral for the launch.
• That funny viral reached thousands of viewers.
• Political virals filled my inbox during the election.

Common phrases: a funny viral, create a viral