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

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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 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 Glover then narrated his view of the terminator, the boundary between night and day on the Moon. — Stephen Clark, ArsTechnica, 7 Apr. 2026 See All Example Sentences for night and day

Recent Examples of Synonyms for night and day

Adverb

These hormone levels fluctuate constantly, running highest in the morning and lower by the afternoon.

— Dr. Jamin Brahmbhatt, CNN Money, 16 July 2026
Stacy claims to hate him for constantly putting her second to the game.

— Ben Travers, IndieWire, 16 July 2026

Definition of constantly

Adverb

Just on Summer House, Carl has three, and Jesse Solomon (always both names) has one.

— Brian Moylan, Vulture, 16 July 2026
Part of the drama on America’s Got Talent has always come from friction among the judges, who regularly have very different views of the acts before them.

— Raechal Shewfelt, Entertainment Weekly, 15 July 2026

Definition of always

Adverb

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
But that’s not the same as asserting that the physical differences between males and females invariably mean that men will invariably prevail over women in all competitions or that their participation will endanger women.

— Business Columnist, Los Angeles Times, 7 July 2026

Definition of invariably

Adverb

As at-home healthcare continues to grow, ensuring sharps are consistently and properly disposed of will only become more important.

— Irina Butler, Boston Herald, 10 July 2026
Research consistently shows that as a profession becomes associated with women, its pay and status tend to decline, and marketing is no exception.

— Miranda Shanahan, Time, 10 July 2026

Definition of consistently

Browse Nearby Words

night

night and day

nightcap

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“Night and day.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/night%20and%20day. Accessed 18 Jul. 2026.

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Synonyms of night and day

adverb

Example Sentences

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