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red-letter

[ red-let-er ]
/ ˈrɛdˈlɛt ər /
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adjective
marked by red letters, as festival days in the church calendar.
memorable; especially important or happy: a red-letter day in his life.
(of a Bible) having the quoted words of Jesus appear in red type: a red-letter edition;the red-letter New Testament presented at her baptism.
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ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
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Question 1 of 8
Which of the following words describes “sky blue”?
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Origin of red-letter

First recorded in 1660–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use red-letter in a sentence

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