A hoax is a widely publicised falsehood so fashioned as to invite reflexive, unthinking acceptance by the greatest number of people of the most varied social identities and of the highest possible social pretensions to gull its victims into putting up the highest possible social currency in support of the hoax.

Fake news websites are websites on the Internet that deliberately publish fake news—hoaxes, propaganda, and disinformation purporting to be real news—often using social media to drive web traffic and amplify their effect. Unlike news satire, fake news websites deliberately seek to be perceived as legitimate and taken at face value, often for financial or political gain. Such sites have promoted political falsehoods in India, Germany, Indonesia and the Philippines, Sweden, Mexico, Myanmar, and the United States. Many sites originate in, or are promoted by, Russia, or North Macedonia among others. Some media analysts have seen them as a threat to democracy. In 2016, the European Parliament's Committee on Foreign Affairs passed a resolution warning that the Russian government was using "pseudo-news agencies" and Internet trolls as disinformation propaganda to weaken confidence in democratic values.