It's been derided by the American president and accused of influencing elections.
But 'fake news' is today valid news after being named Collins dictionary's Word of the Year 2017.
Usage of the term, which is defined as 'false, often sensational, information disseminated under the guise of news reporting', has risen by 365 per cent since 2016 and will be added to the next print edition of Collins Dictionary.
'Fake news' is today valid news after being named Collins dictionary's Word of the Year 2017
While 'fake news' will be added to the print edition, other words that will be added to the Collins Dictionary website include 'gender-fluid', 'cuffing season' and 'Insta'.
In his first 11 months as leader of the free world, Donald Trump has regularly claimed that news stories in the media are 'fake news'
He even suggested he invented the word 'fake' last month during an interview.
He told Christian channel Trinity Broadcasting: 'I think one of the greatest of all terms I've come up with is 'fake.'
'I guess other people have used it, perhaps, over the years, but I've never noticed it.'
Helen Newstead, Collins' head of language content, said: 'Much of this year's list is definitely politically charged, but with a new president in the US and a snap election in the UK it is perhaps no surprise that politics continues to electrify the language.
'Fake news', either as a statement of fact or as an accusation, has been inescapable this year, contributing to the undermining of society's trust in news reporting', she added.
Lexicographers, the people who compile dictionaries, also included 'gender- fluid' on their list of words of the year.