red-letter

adjective
red-let·​ter | \ ˈred-ˌle-tər How to pronounce red-letter (audio) \

Definition of red-letter

: of special significance

First Known Use of red-letter

1704, in the meaning defined above

History and Etymology for red-letter

from the practice of marking holy days in red letters in church calendars

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Time Traveler for red-letter

Time Traveler

The first known use of red-letter was in 1704

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Cite this Entry

“Red-letter.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/red-letter. Accessed 6 December 2019.

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More Definitions for red-letter

red-letter

adjective
red-let·​ter | \ ˈred-ˈle-tər \

Kids Definition of red-letter

: of special importance : memorable This was a red-letter day in my life.

More from Merriam-Webster on red-letter

Rhyming Dictionary: Words that rhyme with red-letter

Spanish Central: Translation of red-letter

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