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 high occurred the night of the Argentina versus Cape Verde match, also the case for average daily rate.
    — Miami Herald, Miami Herald, 11 July 2026
  • Keep a daily running score or just play for a new score each day.
    — Erik Kain, Forbes.com, 11 July 2026
Definition of daily
Noun
  • 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
  • Galaxy, Analog, and Amazing Stories, those three periodicals – and our bathroom was piled high.
    — Ben Mankiewicz, CBS News, 7 June 2026
Definition of periodical
Noun
  • Our new neighbors have been out of town for several weeks, and their newspapers keep piling up outside their home.
    — Jeanne Phillips, Mercury News, 13 July 2026
  • With the only Black newspaper in town gone, there was no one to refute that false narrative.
    — Lee Cowan, CBS News, 12 July 2026
Definition of newspaper
Noun
  • The results were published Monday in the journal Nature Astronomy.
    — CBS News, CBS News, 13 July 2026
  • The study was published in the journal Nature Communications.
    — Neetika Walter, Interesting Engineering, 13 July 2026
Definition of journal
Noun
  • The first season adapts the events of the first book and sets up the potential for a second season based on the sequel, On The Banks of Plum Creek.
    — Erik Kain, Forbes.com, 12 July 2026
  • The outsider artist—which really does feel like the best way to describe her work as composer, book writer, and star—is Jennifer Nettles, half of the country-music band Sugarland, who has also pursued a career as an actor.
    — Jackson McHenry, Vulture, 11 July 2026
Definition of book
Noun
  • Daily Fiction By Sophie Mackintosh The following is a story by Sophie Mackintosh from the new issue of Kismet, a new literary magazine offering a fresh perspective on spirituality, religion, and mysticism for seekers and skeptics alike.
    — Literary Hub, Literary Hub, 13 July 2026
  • Their study, which pointed to widespread same-sex pairing in nature, sparked a cultural debate across the country when it was published in Science magazine in 1977.
    — Michael James Rocha, San Diego Union-Tribune, 12 July 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 15 Jul. 2026.

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