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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

Synonyms & Similar Words

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
  • Although there are plenty of books in three languages (Arabic, French, and English), there are also museums, a planetarium, and a lab dedicated to restoring and preserving ancient manuscripts.
    — Condé Nast, Condé Nast Traveler, 7 Sep. 2026
  • Unlike the other four, it was not protected as an ancient monument because it was believed to have been lost.
    — Andrea Margolis, FOXNews.com, 7 Sep. 2026
Definition of ancient
Noun
  • William Curry, a 74-year-old retiree who described himself as a libertarian-leaning independent conservative, voted for Warner's Republican challenger, Bert Mizusawa, and Wittman.
    — ALI SWENSON, Arkansas Online, 19 Sep. 2026
  • William Curry, a 74-year-old retiree who described himself as a libertarian-leaning independent conservative, voted for Warner’s Republican challenger, Bert Mizusawa, and Wittman.
    — Ali Swenson, Chicago Tribune, 18 Sep. 2026
Definition of conservative
Adjective
  • To mark the occasion, here is our definitive guide to the historic workshops, venerable dining rooms, and fashion houses that give the Galleria its life.
    — Eleonora Giordani, Vogue, 17 Sep. 2026
  • This folktale opens by describing a venerable old farming family whose only daughter has just married.
    — Literary Hub, Literary Hub, 15 Sep. 2026
Definition of venerable
Noun
  • Trump’s preference for immediate gratification explains many of his decisions, including defunding scientific and medical research, accelerating fossil-fuel emissions, and denigrating American soft power globally.
    — Jonathan Chait, The Atlantic, 14 Sep. 2026
  • Lifting the regulations on fossil-fuel power plants has long been expected, Cleetus says.
    — Adam Kovac, Scientific American, 14 Sep. 2026
Definition of fossil
Adjective
  • For those who favor outdoor adventure, climb up the famed hiking trail to get to the medieval fortress at the very top of the town.
    — Condé Nast Traveler, Condé Nast Traveler, 18 Sep. 2026
  • There are two sculptures in the center of the gallery, ramps with those medieval spikes.
    — Nate Freeman, Vanity Fair, 18 Sep. 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
  • The sheriff's office's drone was used to assist in checking the approximately 28-acre property and helped identify old kennel and animal-confinement areas.
    — River Valley Democrat-Gazette, Arkansas Online, 9 Sep. 2026
  • The 27-year-old pre-training researcher’s dramatic resignation has fired off a provocative warning on X that instantly sent ripples across the tech sector.
    — Mrigakshi Dixit, Interesting Engineering, 9 Sep. 2026
Definition of old
Noun
  • Cole, who is applying for veterans’ disability benefits, is counting on getting more help from the federal Low Income Home Energy Assistance Program, known as LIHEAP.
    — Tami Luhby, CNN Money, 14 Sep. 2026
  • Circus veterans and musical-theater pros merge skills onstage, with performers learning trapeze, aerial work and puppetry under collaborative leaders who emphasize one unified troupe — and absolute trust during death-defying feats.
    — Jenelle Riley, Los Angeles Times, 14 Sep. 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 21 Sep. 2026.

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