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
  • That verdant vista of a piece of ancient, intricate architecture centered me in storied Osaka and proved a delightfully consistent through line for my stay.
    — Kathryn Romeyn, Travel + Leisure, 7 July 2026
  • This phenomenon of gravitational lensing has been used to great effect to study ancient galaxies that would usually be too distant and faint to see when they are gravitationally lensed by foreground galaxy clusters.
    — Robert Lea, Space.com, 6 July 2026
Definition of ancient
Noun
  • Especially because Quigley’s district contains the lakefront liberal voters who backed Johnson over Paul Vallas in the 2023 runoff election, when the latter struggled to beat back attacks of being a closet conservative.
    — Alice Yin, Chicago Tribune, 8 July 2026
  • The pledge did not immediately satisfy hardline conservatives, who ground operations in the House to a halt last week.
    — Francesca Chambers, USA Today, 7 July 2026
Definition of conservative
Adjective
  • The two women have booked an increasing number of speaking gigs over the past year, including at popular venues like Sloat Garden Centers and SummerWinds nurseries around the Bay Area, and even at the venerable Marin Art and Garden Center.
    — Martha Ross, Mercury News, 6 July 2026
  • The 60th edition of the Karlovy Vary International Film Festival (KVIFF) is gearing up to celebrate the venerable Czech fest’s past and, at the same time, guide it into its future.
    — Georg Szalai, HollywoodReporter, 29 June 2026
Definition of venerable
Noun
  • From otherworldly red rocks to fossil beds and alpine lakes, Nevada’s state parks offer adventures far beyond the Las Vegas Strip.
    — Eve Chen, USA Today, 5 July 2026
  • What made the claim misleading was the gap between a transition image and continued fossil expansion.
    — Ingmar Rentzhog, Forbes.com, 4 July 2026
Definition of fossil
Adjective
  • Self-mortifying pamagdarame rituals, including whipping and crucifixion, likewise have roots in medieval Christian tradition.
    — H.M.A. Leow, JSTOR Daily, 10 July 2026
  • Around a two-hour drive from here lies the beautiful medieval city of Limoges that’s famed for its leather.
    — James Rampton, TheWeek, 9 July 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
  • Meek, a 10-year-old Black girl, is grappling with her fears of nuclear Armageddon as more prosaic domestic concerns kick into high gear.
    — Theater Critic, Los Angeles Times, 8 July 2026
  • However, that is changing as the US Department of Defense seeks more robust, less vulnerable power systems for military satellites that are less hazardous than the older spacecraft powered by uranium and plutonium.
    — David Szondy July 07, New Atlas, 8 July 2026
Definition of old
Noun
  • Last month, veteran Hollywood producer Roy Lee got three calls in a single day from executives at three different studios.
    — Cerys Davies, Los Angeles Times, 8 July 2026
  • In addition, veteran forward Andrew Wiggins’ two-year extension worth $34 million with the Heat also became official on Monday.
    — Anthony Chiang, Miami Herald, 7 July 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 13 Jul. 2026.

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