DAY ONE Synonyms: 68 Similar and Opposite Words

day one

noun

Definition of day one

as in beginning

the point at which something begins since day one of this project, we've always insisted that we would create the best product possible without any consideration of cost

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of day one Rather than fighting the process, Chelsea did their utmost to assist it from day one. — Simon Johnson, New York Times, 31 July 2026 The first two days were dominated by the defense, with the offense struggling with drops on day one and turnovers in Thursday’s practice. — Steven Johnson, Fort Worth Star-Telegram, 31 July 2026 On day one, gates drew festival-goers rushing in amid tight security, warm weather, and the large crowds the four-day festival is expected to bring. — Tara Molina, CBS News, 30 July 2026 Smith was elite from day one, forged in the crucible of South Florida high school football. — Austin Perry Outkick, FOXNews.com, 30 July 2026 See All Example Sentences for day one

Recent Examples of Synonyms for day one

Noun

Unlike 12 years ago, predation isn’t centred on a minority; 11 different Premier League clubs have lost players to the ‘Big Six’ since the beginning of last summer.

— Chris Weatherspoon, New York Times, 12 Aug. 2026
At the beginning of the year, some volunteers within Coppell ISD went door-to-door to recruit and keep students in public education.

— Lacey Beasley, CBS News, 11 Aug. 2026

Definition of beginning

Noun

Georgia’s current 911 infrastructure has remained largely unchanged since its inception in 1968, according to the Georgia Emergency Communications Agency.

— Sophia Eppley, AJC.com, 10 Aug. 2026
Since the inception of the Archdiocese's buyback events in 2023, nearly 1,500 firearms have been collected by the Baltimore Police Department, in an effort to create a culture of peace and nonviolence.

— Andrew Adeolu, CBS News, 9 Aug. 2026

Definition of inception

Noun

If, for example, a commencement speaker praising the value of artificial intelligence is met with jeers from graduates – as former Google CEO Eric Schmidt was in May 2026 – the speaker’s message is immediately rendered inert.

— Evan Clarkson, The Conversation, 6 Aug. 2026
In July, the City Council approved a fourth request for more modifications to the redevelopment agreement — which pushed back the project’s commencement from July 31, 2026, to July 31, 2027, according to city documents.

— Taylor O'Connor August 6, Kansas City Star, 6 Aug. 2026

Definition of commencement

Noun

In particular, because the blood group B antigen closely resembles alpha-gal, individuals with type B blood appear to have a lower risk of developing AGS, possibly owing to partial immune tolerance.

— Encyclopedia Britannica, Encyclopedia Britannica, 5 Aug. 2026
Chia Seeds One ounce (about 3 tablespoons) of chia seeds contains 10 grams (g) of fiber, 5 g of protein, and 5 g of alpha-linolenic acid (ALA), an omega-3 fatty acid.

— Sarah Anzlovar, Verywell Health, 4 Aug. 2026

Definition of alpha

Noun

Stringr The launch near where the trio was found is roughly seven miles southwest of a different boat launch, where a car belonging to one of the women was discovered with a window broken out, state police said in a statement Wednesday.

— Tim Stelloh, NBC news, 8 Aug. 2026
Hypersonic launch capabilities enhance the new Virginia class further, analysts said, noting that testing of a hypersonic glide vehicle is well underway.

— Brad Lendon, CNN Money, 8 Aug. 2026

Definition of launch

Browse Nearby Words

day nursery

day one

day ones

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“Day one.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/day%20one. Accessed 13 Aug. 2026.

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Synonyms of day one

noun

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