an open letter

open letter

A letter addressed to a specific, usually prominent person and published for anyone to read. It is often done as an act of protest. If you're so unhappy with our mayor, why don't you write an open letter?See also: letter, open

an ˌopen ˈletter

a letter containing a protest, piece of advice, etc. to a well-known person, which is published in a newspaper: In an open letter to the Prime Minister, six well-known authors attacked the government’s policy on the arts.See also: letter, open