diurnal 1 of 2

adjective

dī-ˈər-nᵊl How to pronounce diurnal (audio)
Definition of diurnalnext
as in daily
occurring, done, produced, or appearing every day a love as constant and certain as the diurnal tides

Synonyms & Similar Words

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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
  1. daily
  2. periodical
  3. newspaper
  4. journal
  5. book
  6. magazine
Adjective
  • The first daily chart, going back to July, shows PJP rallying through the summer, topping in late August, and pulling back into October before advancing again.
    — Frank Cappelleri, CNBC, 6 Nov. 2026
  • For too long, the daily cruelty and the coarseness of political rhetoric have elicited only shrugs, or more often, laughter.
    — Chicago Tribune, Chicago Tribune, 6 Nov. 2026
Definition of daily
Noun
  • As mass media and periodicals became central sources of information, the daily welcomed illustrations that engaged with the issues of the day.
    — Tonya Blazio-Licorish, Footwear News, 4 Nov. 2026
  • Sexism landed her in a fringe periodical, and her endorsement of the quackery of purgatives gave her a headline.
    — Jim Downs, STAT, 30 Oct. 2026
Definition of periodical
Noun
  • The Post also sought comment on Alex’s allegations; when the agency asked for Alex’s personal information, the newspaper declined to provide it, citing his safety concerns.
    — Seth Klamann, Denver Post, 7 Nov. 2026
  • According to a 21-page British appeals court document shared with Ars Technica by Eesti Ekspress, the Estonian newspaper that first reported on this saga, the story begins in January 2026.
    — Cyrus Farivar, ArsTechnica, 7 Nov. 2026
Definition of newspaper
Noun
  • Findings of no effect tend to either be shuffled off to low-profile journals or left behind as unpublished lab lore.
    — ArsTechnica, ArsTechnica, 2 Nov. 2026
  • As if to prove his point, a journal had just rejected his paper.
    — George Musser, Quanta Magazine, 2 Nov. 2026
Definition of journal
Noun
  • Polson did not respond to messages asking him to confirm all the books are his.
    — TODD WALLACK THE WASHINGTON POST, Arkansas Online, 8 Nov. 2026
  • To be in easy reach of the spa, book into a room on the second floor, although note the corridor is prone to spa-traffic.
    — Condé Nast, Condé Nast Traveler, 7 Nov. 2026
Definition of book
Noun
  • Web Behrens is a freelance writer and contributing Go editor for Chicago magazine.
    — Web Behrens, Chicago Tribune, 2 Nov. 2026
  • And in 2015, Olson determined the precise time of day that Life magazine photographer Alfred Eisenstaedt took his most famous photograph (V-J- Day in Times Square) on August 14, 1945.
    — ArsTechnica, ArsTechnica, 2 Nov. 2026
Definition of magazine

Browse Nearby Words

ditzy
diurnal
diurnals
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Cite this Entry

“Diurnal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/diurnal. Accessed 12 Nov. 2026.

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