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
Scientists identified a variant that's also present in a small fraction of modern humans — as well as one of our extinct cousins called Denisovans.
—
ABC News, 13 May 2026
Yi qi is the name given to an extinct dinosaur from the family Scansoriopterygidae.
—Encyclopedia Britannica, 8 May 2026
But the modern dragon has an extinct relative, Varanus priscus, that was much larger, likely the largest venomous animal to have ever lived.
—Craig Stanford, Big Think, 7 May 2026
This South African antelope went extinct around 1800 after being hunted during the colonial era.
—Moná Thomas, PEOPLE, 1 May 2026
See All Example Sentences for extinct
ABC News, 13 May 2026
Yi qi is the name given to an extinct dinosaur from the family Scansoriopterygidae.
—Encyclopedia Britannica, 8 May 2026
But the modern dragon has an extinct relative, Varanus priscus, that was much larger, likely the largest venomous animal to have ever lived.
—Craig Stanford, Big Think, 7 May 2026
This South African antelope went extinct around 1800 after being hunted during the colonial era.
—Moná Thomas, PEOPLE, 1 May 2026
See All Example Sentences for extinct
Recent Examples of Synonyms for extinct
Adjective
-
For decades, the now-defunct alliance organized the only large-scale public commemoration in China that attracted tens of thousands annually until the event was banned in 2020 during the first year of the coronavirus pandemic.—
ABC News,
ABC News,
19 May 2026
-
Trek comics started publishing in 1967 via now-defunct company Gold Key in a run that lasted over 12 years.—
Borys Kit,
HollywoodReporter,
19 May 2026
Adjective
-
Suddenly, photos, videos, or important documents are just… gone.—
StackCommerce Team,
PC Magazine,
15 May 2026
-
Room by room, the author takes us through the house, now long gone.—
Mary Ann Grossmann,
Twin Cities,
8 Feb. 2026
Adjective
-
These are not catastrophic failures, except for expired contracts that potentially can represent a business risk.—
David Pennino,
Forbes.com,
18 May 2026
-
Check your inspection status The easiest way to avoid a ticket for an expired inspection?—
Kaitlyn McCormick,
USA Today,
18 May 2026
Adjective
-
Back then, an obsolete constitutional formula enabled as few as 12% of the people to elect a majority of state senators.—
Sun Sentinel Editorial Board,
Sun Sentinel,
11 May 2026
-
But in the lightning-fast tech industry, what’s cutting-edge today can become obsolete tomorrow.—
Sheryl Estrada,
Fortune,
11 May 2026
Cite this Entry
“Extinct.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/extinct. Accessed 21 May. 2026.
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