Definition of open letter
: 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.
First Known Use of open letter
OPEN LETTER Defined for English Language Learners
Definition of open letter for English Language Learners
: a letter that is published in a newspaper but that is addressed to a well-known person or to an organization
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