antediluvian 1 of 2

adjective

ˌan-ti-də-ˈlü-vē-ən How to pronounce antediluvian (audio)
Definition of antediluviannext
as in ancient
dating or surviving from the distant past found evidence in the Middle East of an antediluvian people previously unknown to history

Synonyms & Similar Words

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Antonyms & Near Antonyms

antediluvian

2 of 2

noun

as in conservative
a person with old-fashioned ideas thought his dad was an antediluvian for refusing to use any social media

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Antonyms & Near Antonyms

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 antediluvian
Adjective
This antediluvian town knows — and that, too, is part of its multimillion-dollar charm — that in a world of rapidly upgrading software and all-subsuming artificial intelligence, natural wisdom must be nurtured and celebrated. — Kalpana Mohan, Mercury News, 3 Dec. 2025 Not a bad start, definitely auspicious, which makes the antediluvian inspirations behind these sparkling party dresses all the more mysterious. — Rachel Elspeth Gross, Forbes.com, 15 June 2025 Image Still, Professor Bogdanor said, the antediluvian nature of the Lords eroded faith in government generally, particularly among young people. — Mark Landler, New York Times, 24 Dec. 2024 Eliminating antediluvian student loan debts held by vulnerable older adults seems both just and good public policy. — Next Avenue, Forbes, 11 Oct. 2024 See All Example Sentences for antediluvian
Recent Examples of Synonyms for antediluvian
  1. ancient
  2. conservative
  3. venerable
  4. fossil
  5. medieval
  6. fogy
  7. old
  8. veteran
Adjective
  • This ancient city, sited halfway between London and Edinburgh, has a wealth of significant historic attractions dating back to its Ancient Roman origins.
    — Paul Jebara, Condé Nast Traveler, 18 Aug. 2026
  • During its two-and-a-half-hour descent through Titan’s thick orange atmosphere, Huygens captured the first-ever views of the surface, revealing river channels, ancient shorelines and a landscape shaped by liquid methane rather than water.
    — Jamie Carter, Forbes.com, 18 Aug. 2026
Definition of ancient
Noun
  • Some conservatives were outraged online over the project plan, while others urged people to take a more measured approach, noting that the new stations are not about pushing any ideology.
    — Landon Mion, FOXNews.com, 13 Aug. 2026
  • The proponents of those ideas believe that spreading them can shift the boundaries of debate — that nothing else will do so in a media environment where conservatives hold enormous power.
    — David Weigel, semafor.com, 12 Aug. 2026
Definition of conservative
Adjective
  • The venerable establishment was undamaged, but shut down amid the chaos.
    — Mery Mogollón, Los Angeles Times, 14 Aug. 2026
  • These are just two of several recent high-profile wins, providing a financial windfall for the venerable investment bank.
    — Morgan Chittum, CNBC, 14 Aug. 2026
Definition of venerable
Noun
  • The source of historical botany was measured through the archives of plant fossils until the 1500s, upon the discovery of papermaking.
    — Candace Barone, Florida Times-Union, 15 Aug. 2026
  • The 1973 oil shock catalyzed investments in nuclear power, renewable energy, and efficiency that reduced the fossil-fuel intensity of the global economy even more rapidly than climate policy did in the years following the 2015 Paris Agreement.
    — Jason Bordoff, Foreign Affairs, 14 Aug. 2026
Definition of fossil
Adjective
  • Divination practices often use Tarot cards or the ogham alphabet, which was originally employed in early medieval Irish and Pictish inscriptions.
    — Encyclopedia Britannica, Encyclopedia Britannica, 14 Aug. 2026
  • StemRad engineers, though, figured dressing as a medieval knight doesn’t really get you all that much.
    — Jacek Krywko, ArsTechnica, 13 Aug. 2026
Definition of medieval
Noun
  • There’s no old fogey-ness to Lorne.
    — David Fear, Rolling Stone, 20 Apr. 2026
  • For the benefit of us old fogies?
    — Sun Sentinel Editorial Board, Sun Sentinel, 30 Mar. 2026
Definition of fogy
Adjective
  • So when the 36-year-old was pronounced dead in a South Carolina apartment on Sunday, shock and grief stretched around the world.
    — Holly Yan, CNN Money, 19 Aug. 2026
  • Chinese humanoid robot maker Unitree Robotics saw its shares jump as much as 629% during its Wednesday market debut in Shanghai—an eye-popping rally that pushed 36-year-old chairman and CEO Wang Xingxing’s net worth to $16 billion.
    — Yue Wang, Forbes.com, 19 Aug. 2026
Definition of old
Noun
  • The 30-year veteran firefighter was battling pancreatic cancer.
    — Ginger Allen, CBS News, 19 Aug. 2026
  • As for music, expect a broad menu of noisemakers with national, regional and local buzz, programmed by co-organizer and veteran music promoter Steev Rullman of PureHoney Magazine and Bumblefest fame.
    — Phillip Valys, Sun Sentinel, 18 Aug. 2026
Definition of veteran

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Cite this Entry

“Antediluvian.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/antediluvian. Accessed 20 Aug. 2026.

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