Also found in: Dictionary, Thesaurus, Medical, Legal, Acronyms, Encyclopedia, Wikipedia.
A phrase used by Counselor to the President Kellyanne Conway in defense of seemingly incorrect information presented by the White House press secretary about the size of the crowd attending US President Donald Trump's inauguration. It was quickly popularized in memes that used the phrase to mean statements that are presented as truthful but contradict factual evidence—ostensibly, lies. An ice cream sundae isn't unhealthy—that's just alternative facts!
An extremely conservative political movement in the US. (Conservative political groups are traditionally referred to as "the Right," while liberal groups are known as "the Left.") Many views of the alternative right are considered radical by other Americans.