Day One

day one

[alsod- o-]Informal the beginning of some period

Webster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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"Day One." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/day-one>.

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Day One. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/day-one

day one

noun

Informal

The very beginning; the first day: worked hard on the project from day one.

THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Cite this page

MLA Style

"Day One." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/day-one>.

APA Style

Day One. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/day-one

Noun

Used other than as an idiom: see day,‎ one.
The very beginning
I've been with the project since day one.

English Wiktionary. Available under CC-BY-SA license.

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Link to this page

Cite this page

MLA Style

"Day One." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/day-one>.

APA Style

Day One. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/day-one

SentencesSentence examples

Sentence Examples

As she grows, however, those naptimes will usually be reduced to two naps a day-one in the morning and one in the afternoon.

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