Definition of red-letter day in English:

red-letter day

noun

  • A day that is pleasantly noteworthy or memorable.

    • ‘At the present time, sighting a peregrine in East Anglia provides a red-letter day.’
    • ‘Sunday last was a red-letter day for the area around Killeen with the opening of St. Abban's Community Hall.’
    • ‘Today, as I said, is a blue-ribbon day, a red-letter day, or whatever one wants to call it.’
    • ‘Here in paradise, today hardly looks like a red-letter day in the making.’
    • ‘Sunday last was another of those red-letter days for the Ardmore club when the magnificent extension to their clubhouse was officially opened.’
    • ‘In what he described as a red-letter day for infrastructure in Waterford, Minister Cullen also welcomed the €19.4million investment in non-national roads in the city and county.’
    • ‘Yesterday was a red-letter day for the Credit Union in Portlaoise as they opened the doors of their new offices for business.’
    • ‘Saturday, June 28, is set to be a sporting red-letter day for the district.’
    • ‘February 28, 2003, will remain the brightest red-letter day in Dr. Reddy's life - the day his fondest dreams came true.’
    • ‘This might be a red-letter day to a very large degree.’
    • ‘It must have seemed like a red-letter day for council employees as they received their new pay levels.’
    • ‘For athletics and other sports codes it was a red-letter day.’
    • ‘A red-letter day is important, like the feast days marked in red in church calendars.’
    • ‘She said: ‘This is a real red-letter day for English farming.’’
    • ‘Today will be a red-letter day in your year.’
    • ‘Because feast days in such almanacs and calendars were frequently written or printed in red, a red-letter day came to be a term for one that was special.’
    • ‘Still, pub owners say, it was a red-letter day for business and they are planning a second block party for the first weekend of November.’
    • ‘‘This is not a red-letter day for the DC police,’ Mr Geragos said.’
    • ‘Upon receiving his award, he said the day would go down in his diary as a red-letter day.’
    • ‘The end of the financial year used to be a red-letter day for investors.’

Origin

Early 18th century: from the practice of highlighting a festival in red on a calendar.

Pronunciation:

red-letter day

/ˈˌred ˈledər ˌdā/