DIURNAL Synonyms: 73 Similar and Opposite Words

diurnal 1 of 2

adjective

dī-ˈər-nᵊl

Definition of diurnal

as in daily

occurring, done, produced, or appearing every day a love as constant and certain as the diurnal tides

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Antonyms & Near Antonyms

diurnal

2 of 2

noun

as in periodical

a publication that appears at regular intervals a collection of diurnals containing essays by preeminent 19th-century American writers and thinkers

Synonyms & Similar Words

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 diurnal

Adjective

During its 12-day journey, SE2 completed one full day-night diurnal cycle over New Mexico and three consecutive diurnals off the Brazilian coast. — Chris Young, Interesting Engineering, 14 Apr. 2026 Overnight lows will drop into the low 40s under clear skies, marking a 30-degree diurnal swing in some spots. — Senior Newsroom Meteorologist, San Francisco Chronicle, 3 Feb. 2026 This doubling of the diurnal might happen once a year. — Lauren Bostwick, CBS News, 18 Jan. 2026 The watery and stable microclimate within the caves long ago could have hosted microbial colonies, and today the caves are protected from the extreme conditions on Mars' surface, such as wildly different diurnal temperatures, dust storms and solar ultraviolet and cosmic-ray radiation. — Keith Cooper, Space.com, 24 Nov. 2025 See All Example Sentences for diurnal

Recent Examples of Synonyms for diurnal

Adjective

Data from Charles Schwab's ThinkOrSwim platform shows that during overnight trading, option volume for Direxion's Daily Semiconductor Bear 3X Shares reached more than triple its daily average over the past month.

— , CNBC, 28 Aug. 2026
The everyday cost of war Six months of conflict and severe economic hardship have made daily life exhausting for regular Iranians.

— Greg Myre, NPR, 28 Aug. 2026

Definition of daily

Noun

People who might be lucky to have a roof over their heads gathered there to read American books and periodicals, watch American movies, listen to lectures about America, tap their toes to jazz from America.

— Ian Buruma, New Yorker, 10 Aug. 2026
It is anticipated that all IEEE periodicals will be included in the Integrity Hub screening by the end of this year.

— IEEE Spectrum, IEEE Spectrum, 30 July 2026

Definition of periodical

Noun

The character was based on Candace Bushnell and her own newspaper column and 1996 book anthology, both also named Sex and the City.

— Victoria Edel, PEOPLE, 31 Aug. 2026
Gamblers would bet on the fates of prisoners awaiting execution and of prominent people whose illnesses were reported on in the newspaper.

— Michael Santoli, CNBC, 31 Aug. 2026

Definition of newspaper

Noun

Crucially, Eddy is also the only one of the players who can pass for white; when his journal entries end, so does the book’s innocence.

— Katy Waldman, New Yorker, 31 Aug. 2026
Las Vegas Review-journal/TNS Three decades, two dozen witnesses and weeks of sensational and fiery testimony later, closing arguments are set to begin Monday in the trial for the only person ever charged with the murder of rap icon Tupac Shakur.

— Sasha Pezenik, ABC News, 31 Aug. 2026

Definition of journal

Noun

In the center of town, check out Inquiring Minds Bookstore for used and new books with a great kids’ section or Enoki for an eclectic mix of Asian pantry items and vintage clothing.

— Condé Nast, Condé Nast Traveler, 29 Aug. 2026
Across the country, churches and city halls opened specially on Saturday so people could light candles, write down their thoughts about the deceased king in condolence books.

— ABC News, ABC News, 29 Aug. 2026

Definition of book

Noun

What started as a column for a youth magazine at a club in North London has now been running for over a decade, with several of the other students Dimoldenberg met there going on the journey with her.

— Ellise Shafer, Variety, 31 Aug. 2026
Web Behrens is the contributing Go editor for Chicago magazine.

— Web Behrens, Chicago Tribune, 31 Aug. 2026

Definition of magazine

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ditzy

diurnal

diurnals

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Style

“Diurnal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/diurnal. Accessed 2 Sep. 2026.

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Synonyms of diurnal

adjective

noun

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