night and day

adverb

Definition of night and daynext
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 Clayton has just done an outstanding job getting these guys to focus on fundamentals every single night and day and transformed our season in June. — Jordan McPherson, Miami Herald, 4 July 2026 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 See All Example Sentences for night and day
Recent Examples of Synonyms for night and day
  1. constantly
  2. always
  3. continually
  4. invariably
  5. consistently
Adverb
  • Because of the data center being built in his backyard, Butters’ television loses power constantly, leaving him unable to relax and watch his beloved videos.
    — Payton Turkeltaub, Variety, 1 Oct. 2026
  • The solution is a lot of morphine and a lot of rest, both of which Cathy undertakes with Adam constantly (and chastely) by her side.
    — Roxana Hadadi, Vulture, 1 Oct. 2026
Definition of constantly
Adverb
  • And while the brand continues to honor its heritage, Giraco said Dom Pérignon is always looking ahead and evolving.
    — Kanika Talwar, Footwear News, 1 Oct. 2026
  • For families As is customary in Bali, kids are treated like royalty by virtually all resort staff, and there is always someone ready with open arms to hold or play with them.
    — Condé Nast, Condé Nast Traveler, 1 Oct. 2026
Definition of always
Adverb
  • In a new study, researchers at New York University built a custom random-positioning machine that continually changed the orientation of human cells relative to Earth's gravity.
    — Stefanie Waldek, Space.com, 29 Sep. 2026
  • From there, content can reinforce those relationships rather than continually introducing disconnected messages.
    — Jessica Wong, Forbes.com, 29 Sep. 2026
Definition of continually
Adverb
  • Collective is beyond reproach, as the fake scores invariably echo with the essence of real ones), but little of which is memorable in its own right.
    — David Ehrlich, IndieWire, 2 Oct. 2026
  • Insanity defendants are disproportionately low-income, their cases rarely reach a jury, and there’s usually no dispute about the diagnosis, which is almost invariably schizophrenia.
    — Ian Parker, New Yorker, 14 Sep. 2026
Definition of invariably
Adverb
  • Roosevelt’s patrician upbringing, as well as ties to her husband’s career, led to certain frictions between the two, with Murray consistently urging the First Lady to act on behalf of Black Americans and other oppressed peoples.
    — Literary Hub, Literary Hub, 2 Oct. 2026
  • Anchored by Adam Fox on the blue line and world-class play in net from Igor Shesterkin, the Rangers consistently limit dynamic scoring opportunities.
    — OutKick, FOXNews.com, 2 Oct. 2026
Definition of consistently

Browse Nearby Words

night
night and day
nightcap
See all Nearby Words

Cite this Entry

“Night and day.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/night%20and%20day. Accessed 7 Oct. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of discreet

See Definitions and Examples »

Popular in Grammar & Usage

See More

Do You Need a New Language Peeve?

More Commonly Mispronounced Words

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?
See More

Popular in Wordplay

See More

7 Great Ways to Say 'Great'

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

Do You Need a New Language Peeve?

7 Great Ways to Say 'Great'

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
name tags
Words Named After People Quiz Find out who’s behind "leotard," "morphine," an...
See All