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
  • Meloni's supporters see her evolution as proof that nationalist conservatives can govern responsibly while remaining committed to democratic institutions and Western alliances.
    — ABC News, ABC News, 3 Sep. 2026
  • Cruz appeared on Fox News and later shared the clip on X, arguing that moderates have long told conservatives to support the Republican nominee after losing a primary.
    — Natassia Paloma, USA Today, 3 Sep. 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
  • Castellón To the north, Castellón unfolds as a mountainous marvel where medieval citadels, golden beaches, and tiny fishing villages create a landscape of contrasts, with the scent of citrus perfuming the air.
    — Condé Nast Traveler, Condé Nast Traveler, 3 Sep. 2026
  • The season 28 finale is less than a month away and after the medieval twist wraps up, the jury stage of the game will begin.
    — Christopher Kuhagen, jsonline.com, 2 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 Dune star has five older half siblings from her father’s previous relationship.
    — Hannah Malach, InStyle, 2 Sep. 2026
  • Newcastle had depleted full-back resources and Jaissle was convinced the 24-year-old’s athleticism was ideal.
    — George Caulkin, New York Times, 2 Sep. 2026
Definition of old
Noun
  • The tech giant is donating 130,000 glasses to legally blind US veterans.
    — J.D. Capelouto, semafor.com, 1 Sep. 2026
  • The hedge fund veteran and Cabinet secretary chose a starting point for his analysis that downplayed the bond market’s reaction to Trump’s presidency.
    — Kevin Breuninger,Matt Peterson, CNBC, 1 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 7 Sep. 2026.

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