NIGHT AND DAY Synonyms: 49 Similar and Opposite Words

night and day

adverb

Definition of night and day

as in constantly

on every relevant occasion night and day she reminded him that if it weren't for her, he'd be a nobody

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

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 night and day For Morgan, the difference from her playing days is night and day. — Terry Baddoo, USA Today, 14 June 2026 Tasting the 2021 vintage side by side recalls Zaccheo’s comment about wines that are like night and day. — Mike Desimone, Robb Report, 3 May 2026 The difference in snow levels is night and day, with last year’s white peaks replaced by browns and greens. — Terry Castleman, Los Angeles Times, 16 Apr. 2026 The growth that Ratledge showed between the first half of his rookie season and the second half is night and day. — Colton Pouncy, New York Times, 7 Apr. 2026 See All Example Sentences for night and day

Recent Examples of Synonyms for night and day

Adverb

Preoccupied with other priorities and under pressure to drive sales through constantly evolving trends, brands and designers often paid little attention to the impact their material choices had on animals and the environment.

— P.J. Smith, Footwear News, 30 July 2026
The idea that a company constantly tracks what a car does, whether it was involved in a crime or not, manages to violate people’s expectations of privacy in their personal space and of freedom of movement simultaneously.

— T.M. Brown, CNN Money, 30 July 2026

Definition of constantly

Adverb

And Israeli officials invariably insisted that Hamas had operated inside hospitals and other civilian infrastructure that their forces destroyed.

— David D. Kirkpatrick, New Yorker, 20 July 2026
The results have invariably been uglier, longer, inferior versions of films people already know and love, which provide a cheap rush of nostalgia but don’t offer any surprises or challenges.

— Wilson Chapman, IndieWire, 8 July 2026

Definition of invariably

Adverb

Athletes in this league consistently speak out against everything from poor operational standards within certain organizations to leadership’s missteps.

— Annie Costabile, New York Times, 24 July 2026
But a lot of peptides are just the result of the messy complexity of biology, where larger proteins may break down in a way that consistently produces a stereotypical pattern of fragments.

— John Timmer, ArsTechnica, 24 July 2026

Definition of consistently

Browse Nearby Words

night

night and day

nightcap

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Style

“Night and day.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/night%20and%20day. Accessed 31 Jul. 2026.

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Synonyms of night and day

adverb

Example Sentences

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