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
  • Athletes already had shoes for competition and for daily life.
    — Lilian Raji, Forbes.com, 1 Aug. 2026
  • Rice has started to grow a following online with daily vlogs.
    — Jeff Todd, CBS News, 1 Aug. 2026
Definition of daily
Noun
  • 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
  • City law still requires newsstands to sell periodicals, but few bother for obvious reasons.
    — Anne Kadet, Curbed, 22 July 2026
Definition of periodical
Noun
  • Police set up a strike force to investigate Jones after The Sydney Morning Herald newspaper reported in 2023 that Jones used his position of power, first as a schoolteacher and later as a popular broadcaster, to prey on a number of young men.
    — ABC News, ABC News, 3 Aug. 2026
  • In 2022, terrorists kidnapped dozens of people from a train between Abuja and Kaduna, and Tukur Mamu, a newspaper publisher, negotiated their release.
    — Alexis Okeowo, New Yorker, 3 Aug. 2026
Definition of newspaper
Noun
  • In the study, published July 31 in the Cell Press Blue journal, researchers reviewed more than 350 papers about protein in humans, mice and other organisms and found eating less protein could have greater health benefits.
    — Sara Moniuszko, USA Today, 3 Aug. 2026
  • The study was published in the journal Nature Water on July 30.
    — Mrigakshi Dixit, Interesting Engineering, 3 Aug. 2026
Definition of journal
Noun
  • She's taught in Harvard University’s Division of Continuing Education and authored the bestselling books Captivate and Cues in 18+ languages.
    — Big Think, Big Think, 2 Aug. 2026
  • In the afternoon, book a spot at one of Copenhagen’s many hot tub experiences; some favorites include Hottub Copenhagen and CopenHot, the biggest outdoor spa in Denmark.
    — Condé Nast Traveler, Condé Nast Traveler, 1 Aug. 2026
Definition of book
Noun
  • All four of her grandparents were born and raised in Italy; in 2018, the then 62-year-old former magazine editor moved to Perugia, in the central Umbria region, on a temporary visa at the same time as filing a lawsuit for citizenship.
    — Julia Buckley, CNN Money, 4 Aug. 2026
  • When the Almaden Barnes & Noble closed last year after 26 years there was an emotional reaction from the community about a place to browse for books, magazines, puzzles and even grab a cup of coffee.
    — Pueng Vongs, Mercury News, 3 Aug. 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 5 Aug. 2026.

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