red-letter

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adjective red-let·ter \ ˈred-ˌle-tər \

Definition of red-letter

:of special significance

Origin and Etymology of red-letter

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



RED-LETTER Defined for Kids

red-letter

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

Definition of red-letter for Students

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

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