Terminological inexactitude
Terminological inexactitude is a phrase introduced in 1906 by British politician (later Prime Minister) Winston Churchill. Today, it is used as a euphemism or circumlocution meaning a lie or untruth.
Churchill first used the phrase during the 1906 election. Following the election, speaking in the House of Commons on 22 February 1906 as Under-Secretary of the Colonial Office, he repeated what he had said during the campaign: