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
  • This chapter is accompanied by somewhat twee images of an owl doll, a bottle of designer perfume, a high heel, and a golden microphone positioned against various ancient Greek ruins, including the Parthenon and the Monument of the Eponymous Heroes.
    — Stephanie Wambugu, Vulture, 12 Oct. 2026
  • Its wonders include countryside wineries, ancient archaeological sites and unforgettable beaches.
    — Rick Steves, Washington Post, 11 Oct. 2026
Definition of ancient
Noun
  • But if conservatives and independents who claim to believe in the constitution and fiscal responsibility actually vote that way, that will finally change.
    — Scott Maxwell, The Orlando Sentinel, 8 Oct. 2026
  • Proponents of Amendment 85 — including conservatives and liberals — say tax impacts and other necessary information can still appear in ballot measures.
    — Shaun Boyd, CBS News, 8 Oct. 2026
Definition of conservative
Adjective
  • Ben’Imana premiered in the Un Certain Regard section at Cannes, marking the first time a film from Rwanda screened in the venerable fest’s official selection.
    — Georg Szalai, HollywoodReporter, 8 Oct. 2026
  • As for the plane in question, this is a variant of the venerable F-16 and is a heavily modernized version featuring, among other features, APG-83 Active electronically scanned array (AESA) radar.
    — Christopher McFadden, Interesting Engineering, 3 Oct. 2026
Definition of venerable
Noun
  • Leaning into its history, Kessler has outfitted the hotel with installations that channel the Jurassic period, including life size dinosaur skeletons and fossils, backlit in a range of bright colors, displayed throughout the walls.
    — Condé Nast, Condé Nast Traveler, 11 Oct. 2026
  • Thus, FRBs are a metaphorical cosmic 'fossil record' blasting through space at light speed with the energy of a multitude of stars.
    — Robert Lea, Space.com, 8 Oct. 2026
Definition of fossil
Adjective
  • By the medieval period, Christianity was the dominant religion of Europe, but long-distance travel was extremely difficult, and embarking upon a pilgrimage to Jerusalem was often regarded as a death sentence.
    — Shay Rabineau, The Conversation, 8 Oct. 2026
  • The medieval French mystic Marguerite Porete was burned at the stake.
    — Merve Emre, New Yorker, 8 Oct. 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
  • Waves battered a century-old wooden boardwalk on the Long Beach peninsula and forced homeowners to evacuate.
    — Arkansas Online, Arkansas Online, 12 Oct. 2026
  • Related Stories Gadis, 20, has just been brought home as the fourth wife of 50-year-old Abi.
    — Naman Ramachandran, Variety, 12 Oct. 2026
Definition of old
Noun
  • Then Kreiz took the mallet and landed a cannon-shot ring on the bell that was so loud that one of the Citadel traders turned around in shock, and even Wall Street veteran Gerry Cardinale’s eyebrows were raised.
    — Mia Galuppo, HollywoodReporter, 12 Oct. 2026
  • Seiber, 40, was a father of two and an Air Force veteran who served 10 years with the Philadelphia Police Department.
    — Landon Mion, FOXNews.com, 12 Oct. 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 14 Oct. 2026.

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