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
  • This lengthy process was typical of ICE’s previous procedures to track down criminals, Sandweg said, which may have shifted under the demands of this administration’s daily arrest goals.
    — Nicki Brown, CNN Money, 18 July 2026
  • When a team understands the mission, its daily decisions consistently reinforce that vision, creating a competitive advantage that is difficult to replicate.
    — Nadia AlShomali, Forbes.com, 17 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
  • Stadium Club sets are known for their utilization of exceptional photographs, and Joan Monfort’s work from 2007, intended for a charity calendar produced by FC Barcelona, UNICEF and newspaper Diario Sport, certainly fits that category.
    — Brooks Peck, New York Times, 21 July 2026
  • Someone has left a copy of the communist newspaper Rizospastis, folded up neatly near Bellou’s tombstone, which is engraved with the lyrics of one of her most beloved songs.
    — Literary Hub, Literary Hub, 20 July 2026
Definition of newspaper
Noun
  • The findings were published in the journal npj Flexible Electronics.
    — Mrigakshi Dixit, Interesting Engineering, 20 July 2026
  • While the image was captured in 2024, a new investigation of the observation and discovery of this sandstorm was described in a study published this year in the journal Geology.
    — Chelsea Gohd, Space.com, 20 July 2026
Definition of journal
Noun
  • The film industry frequently mines the publishing industry for books to turn into films.
    — Suzanne Van Atten, AJC.com, 19 July 2026
  • This comes with early access to RSVP for the tour, as well as a custom mai tai glass and a passport-like book to collect stamps at each home bar.
    — Sean Timberlake, Sacbee.com, 18 July 2026
Definition of book
Noun
  • According to People magazine, the audience laughed and applauded her.
    — Sarah Sotoodeh, FOXNews.com, 20 July 2026
  • Against constant barrages of cheap, swarm-style suicide drones and cruise missiles, the depth of a military’s magazine has become just as critical as its technological sophistication.
    — Mrigakshi Dixit, Interesting Engineering, 20 July 2026
Definition of magazine

Browse Nearby Words

ditzy
diurnal
diurnals
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“Diurnal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/diurnal. Accessed 22 Jul. 2026.

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Nglish: Translation of diurnal for Spanish Speakers

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