day one

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day one

noun day ones

  1. The very beginning. I've been with the project since day one.
  2. US, slang A close, longtime friend, one who has been around since the beginning. Raise a cup up for all my day ones; two middle fingers for the haters […]

adverb

  1. At the very beginning; when something is entirely new. to buy something day one

Translations

Every language

adv at the very beginning

Русскийв пе́рвый же день v pérvyj že denʹ, с пе́рвого же дня s pérvovo že dnja, сра́зу srázu, снача́ла snačála

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MLA

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

APA

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

Chicago

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

BibTeX
@misc{day_one_2026,
  title = {day one},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/day%20one},
  urldate = {2026-11-07}
}