as in defunct
no longer existing
a few overgrown ruins are all that remain of that once mighty but now extinct civilization
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Recent Examples of extinct
Most of the initial groups have gone extinct, with the exception of primates, whales, and rodents.
—
Sara Novak, Discover Magazine, 19 July 2025
The egg was laid by a plant-eating sauropod, a huge, long-necked dinosaur that lived in the Late Cretaceous, shortly before dinosaurs went extinct 66 million years ago.
—Katie Hunt, CNN Money, 15 July 2025
Wetlands need restoration to once again catch phosphorus that pours from extinct volcanoes and prevent the growth of deadly algae.
—Shaun McKinnon, AZCentral.com, 15 July 2025
Still, the team hopes to eventually bioengineer a bird that closely resembles the extinct moa in size and form.
—Moná Thomas, People.com, 12 July 2025
See All Example Sentences for extinct
Sara Novak, Discover Magazine, 19 July 2025
The egg was laid by a plant-eating sauropod, a huge, long-necked dinosaur that lived in the Late Cretaceous, shortly before dinosaurs went extinct 66 million years ago.
—Katie Hunt, CNN Money, 15 July 2025
Wetlands need restoration to once again catch phosphorus that pours from extinct volcanoes and prevent the growth of deadly algae.
—Shaun McKinnon, AZCentral.com, 15 July 2025
Still, the team hopes to eventually bioengineer a bird that closely resembles the extinct moa in size and form.
—Moná Thomas, People.com, 12 July 2025
See All Example Sentences for extinct
Recent Examples of Synonyms for extinct
Adjective
-
Now defunct, the U.S. Agency for International Development officially closed its doors on July 1 when the State Department took over its remaining programs.—
Chris Boccia,
ABC News,
22 July 2025
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Note: The Austin Critics Table, a now defunct arts journalism group, had agreed in 2019 that actor, director, playwright and journalist Robert Faires, absent from the voting that year, deserved to be inducted into the subsequent Hall of Fame class.—
Michael Barnes,
Austin American Statesman,
13 July 2025
Adjective
-
So many firsts, gone, charred to ash, just remnants of an area that once represented Black prosperity and joy.—
Maya Richard-Craven,
Forbes,
13 Jan. 2025
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The original pioneers were mostly busy making non-hyperpop or gone: SOPHIE tragically died in 2021; 100 gecs spent years toiling to make their zany stadium-rock second album.—
Kieran Press-Reynolds,
Pitchfork,
3 Oct. 2024
Adjective
-
But scrubbing the oven, tossing expired food from the fridge, and even running the dishwasher can be disruptive.—
Mary Cornetta,
Better Homes & Gardens,
17 June 2025
-
Kroger overcharged customers on sale items due to expired labels, according to a joint investigation.—
Alex Perry,
Cincinnati Enquirer,
15 May 2025
Adjective
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Right now the industry’s distribution model faces a radical alteration because insurance agents aren't becoming obsolete.—
Kori Hale,
Forbes.com,
25 July 2025
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Online shopping, food delivery and other consumer habit changes have rendered many of the traditional indoor malls to be functionally obsolete, but their strategic locations have made those sites attractive for new types of development.—
Corina Vanek,
AZCentral.com,
23 July 2025
Cite this Entry
“Extinct.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/extinct. Accessed 2 Aug. 2025.
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