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English definition of “red-letter day”

red-letter day

noun [C usually singular] uk   /ˌredˈlet.əˌdeɪ/ us    /-ˈlet̬.ɚ-/
a special, happy, and important day that you will always remember: The day I first set foot in America was a red-letter day for me.
(Definition of red-letter day from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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Translations of “red-letter day”

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