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
  • Bringing sport into daily Parisian life has been an objective across successive city administrations.
    — ABC News, ABC News, 8 Aug. 2026
  • December 22 – January 19 Your daily routine may need a smarter system.
    — Tarot.com, Chicago Tribune, 7 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
  • Ink stars Jack O’Connell as late newspaper editor Larry Lamb, with Guy Pearce as media mogul Murdoch.
    — Ryan Gajewski, HollywoodReporter, 10 Aug. 2026
  • Duran is a former newspaper reporter who spent 15 years working in democratic politics with Dianne Feinstein, Jerry Brown and Kamala Harris before returning to journalism.
    — Tonya Mosley, NPR, 10 Aug. 2026
Definition of newspaper
Noun
  • For example, Scholars build self-awareness journals, reflecting on emotions, triggers, situations, and responses.
    — Kevin Kruse, Forbes.com, 10 Aug. 2026
  • The research was published on Monday in the journal iScience.
    — Jackie Flynn Mogensen, Scientific American, 10 Aug. 2026
Definition of journal
Noun
  • The prosecution’s case is largely built on the defendant’s own words, including his book, podcast and documentary interviews and statements to police.
    — Eric Levenson, CNN Money, 9 Aug. 2026
  • One page, on paper, taped inside the front cover of a book, written before anyone knew the full answer and precisely because nobody did.
    — Jason Snyder, Forbes.com, 8 Aug. 2026
Definition of book
Noun
  • For more finds to design a cozy corner, check out our favorite reading nook wallpaper, magazine racks, lighting, throw blankets, and more below.
    — Caley Sturgill, Southern Living, 10 Aug. 2026
  • At the outset of this chatty novel, the protagonist, Caroline, who was recently ghosted by a thoughtless man, has had a story published in this magazine.
    — The New Yorker, New Yorker, 10 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 12 Aug. 2026.

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Nglish: Translation of diurnal for Spanish Speakers

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