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

As the tournament started though, hotels lowered their prices but were still charging above average daily rates from the same time last year.

— Vinod Sreeharsha, Miami Herald, 25 July 2026
Immigrants without criminal records make up 74% of the average daily population in California detention centers and 79% nationwide.

— Deputy Managing Editor, Los Angeles Times, 24 July 2026

Definition of daily

Noun

City law still requires newsstands to sell periodicals, but few bother for obvious reasons.

— Anne Kadet, Curbed, 22 July 2026
The center’s resources—all free—include more than a million books and periodicals, with 400 terminals and 75 staff members available to help dig through them.

— Arati Menon, Condé Nast Traveler, 7 June 2026

Definition of periodical

Noun

Sony and Fujifilm also evacuated staff from their plants in the area, Nikkei newspaper reported.

— CNN Money, CNN Money, 28 July 2026
Sacramento Bee print subscribers should see normal delivery of their newspapers on Tuesday in the wake of a press problem that forced cancellation of home and single-copy delivery on Monday.

— Sacbee.com, Sacbee.com, 27 July 2026

Definition of newspaper

Noun

European and North American agricultural journals hailed guano as a miraculous remedy for exhausted soils.

— Edward D. Melillo, Fortune, 27 July 2026
An agent that changes a purchase order, releases inventory, adjusts production or posts a journal entry is participating directly in the business.

— Robert Kramer, Forbes.com, 27 July 2026

Definition of journal

Noun

Sienkiewicz got his start in comics back in the late 1970s, but today his colorful and recognizable style has expanded into illustration, animation, film and TV, book and album covers, advertising and fine art.

— Rob Salkowitz, Forbes.com, 26 July 2026
During Apple TV‘s Hall H panel, the BAFTA winner appeared via video to greet fans and share the first look at the cyberpunk sci-fi series based on the 1984 William Gibson book, premiering January 22 on the streamer.

— Glenn Garner, Deadline, 25 July 2026

Definition of book

Noun

The café-bar is a pleasant enough hangout with slate-gray walls punched with color, shelves of artsy souvenirs, and design magazines worth browsing, but the surrounding streets are stacked with great dining options.

— Condé Nast, Condé Nast Traveler, 28 July 2026
They were also named the World’s Best Tour Operator by Travel + Leisure magazine, a very prestigious accolade in the travel industry.

— Larry Olmsted, Forbes.com, 27 July 2026

Definition of magazine

Browse Nearby Words

ditzy

diurnal

diurnals

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Style

“Diurnal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/diurnal. Accessed 29 Jul. 2026.

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Synonyms of diurnal

adjective

noun

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