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
  • After becoming a daily fixture in the 1990s, blackouts have worsened since 2024, when Cuba’s ancient power grid began to collapse and Soviet-era electrical stations began failing more frequently.
    — Nora Gámez Torres, Miami Herald, 31 Aug. 2026
  • Its towering basalt cliffs formed as ancient volcanic rock cooled and fractured.
    — Sarah Kingdom, Forbes.com, 30 Aug. 2026
Definition of ancient
Noun
  • Eventually, the conservatives succeeded; the denomination finally divided in a schism in 2024, with more than seventy-six hundred congregations leaving to join a conservative Global Methodist Church.
    — Bill McKibben, New Yorker, 26 Aug. 2026
  • Graham has framed her outsider status as an asset, while pointing to Trump's support as one of the key reasons conservatives should support her bid for a full term.
    — Oren Oppenheim, ABC News, 25 Aug. 2026
Definition of conservative
Adjective
  • Busy schedules at venues of every size, particularly the venerable clubs and halls that help give Chicago its local flavor.
    — Chicago Tribune, Chicago Tribune, 31 Aug. 2026
  • The husband-wife duo and their restaurant group that includes the likes of downtown Orlando’s Reyes Mezcaleria and Seito Sushi in Baldwin Park have been twice honored by the venerable James Beard Foundation.
    — Scott Maxwell, The Orlando Sentinel, 28 Aug. 2026
Definition of venerable
Noun
  • For a long time, this fossil sat in museum archives under a quiet case of mistaken identity.
    — Mrigakshi Dixit, Interesting Engineering, 31 Aug. 2026
  • The team notes that since the fossil was located in an area that would have once been where water and land met, the insect's transitional habitat played a key role in its evolution.
    — New Atlas, New Atlas, 30 Aug. 2026
Definition of fossil
Adjective
  • Brede Hovland of Norway’s Einar Film, who stepped in for producer Guri Neby on the panel, said the Norwegian shoot wrapped at the end of May after six-to-seven weeks in Oslo, with production now in Prague for the medieval and fantasy material.
    — Davide Abbatescianni, Variety, 27 Aug. 2026
  • Start your day with a lakeside walk, then visit Meersburg Castle, the town’s medieval fortress, before heading to the New Castle (Neues Schloss), a Baroque palace perched above the lake, for panoramic views.
    — Sofia Markovich, Travel + Leisure, 25 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
  • Nuclear Children follows 18-year-old Isla Sparrow who, after the death of her father in a submarine accident, hopes to escape her grieving family and flee to university.
    — Jesse Whittock, Deadline, 26 Aug. 2026
  • But in older adults, the relationship between body weight and health may be more complicated than a number on the scale.
    — Faye Chiu, CNN Money, 26 Aug. 2026
Definition of old
Noun
  • Of the bunch, Kaminsky is the only Broadway veteran, with Álvarez, Knight and Cochran — as well as understudies Caron Buinis, Caroline Hendricks and Michael Holding — all making their Broadway debuts with Paranormal Activity.
    — Dave Quinn, PEOPLE, 26 Aug. 2026
  • The Nuggets need to get younger, longer and meaner around that veteran trio, and ASAP.
    — Sean Keeler, Denver Post, 25 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 1 Sep. 2026.

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