day of days

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day of days¹

noun days of days

  1. idiomatic A particularly noteworthy day; the day on which a milestone or especially memorable event occurs. "It is a day of days," she said, as I approached; "a day of all days either to live or die. . . . I am dying, yet shall I live."

    Similar: red-letter day

  2. capitalized, sometimes Sunday, especially Easter Sunday. The residents skirting the line of the Harlem Railroad as far as Croton Falls, were not a little annoyed, last Sunday, by numerous cheap excursion trains. . . . [W]e doubt whether the law gave being to a great corporation for the purpose of tempting men from their homes on the Day of days.

Day of Days²

noun

  1. alternative, uncountable Alternative form of day of days

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MLA

"day of days." Wiktionary, via Micwyn, micwyn.com/word/day%20of%20days. Accessed 7 Nov. 2026.

APA

day of days. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/day%20of%20days

Chicago

"day of days." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/day%20of%20days.

BibTeX
@misc{day_of_days_2026,
  title = {day of days},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/day%20of%20days},
  urldate = {2026-11-07}
}