open letter

noun

Synonyms of open letternext
: a published letter of protest or appeal usually addressed to an individual but intended for the general public

Examples of open letter in a Sentence

In an open letter to the company, a citizens' group implored company executives to reconsider their decision to close the factory.
Recent Examples on the Web
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Eno, Emin, and Thunberg are also signatories to the aforementioned open letter. News Desk, Artforum, 24 June 2026 Shortly after, Altman was set to join Microsoft and hundreds of OpenAI employees signed an open letter threatening to quit if he wasn’t reinstated as CEO. Charles Pulliam-Moore, The Verge, 23 June 2026 The lawsuit notes that LeVota’s credit plan relies directly on pulling money back that had already been distributed to school districts — the same criticism identified by the dozen school districts behind the open letter. Ilana Arougheti june 22, Kansas City Star, 22 June 2026 Dozens of colleges, including every Ivy League university, have now reinstated a standardized-test mandate, and 1,400 instructors in the University of California system have signed an open letter urging the state to do likewise. The Week Us, TheWeek, 22 June 2026 See All Example Sentences for open letter

Word History

First Known Use

1898, in the meaning defined above

Time Traveler
The first known use of open letter was in 1898

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Cite this Entry

“Open letter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/open%20letter. Accessed 28 Jun. 2026.

Kids Definition

open letter

noun
: a letter (as one addressed to an official) for the public to see and printed in a newspaper or magazine

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