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red–letter

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adjective red–let·ter \ˈred-ˌle-tər\

Definition of red–letter

  1. :  of special significance



Origin of red–letter

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


First Known Use: 1704



RED–LETTER Defined for Kids

red–letter

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adjective red–let·ter \ˈred-ˈle-tər\

Definition of red–letter for Students

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




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