extinct

extinct (ɪkˈstɪŋkt)

—*adj*
1.	(of an animal or plant species) having no living representative; having died out
2.	quenched or extinguished
3.	(of a volcano) no longer liable to erupt; inactive
4.	void or obsolete: an extinct political office

[C15: from Latin exstinctus quenched, from exstinguere to extinguish]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline

Word Origin & History

extinct

early 15c., from L. extinctus, pp. of extinguere (see extinguish). Originally of fires; the sense of the condition of "dying out" of a family or a hereditary title, 1580s.

Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage

Science Dictionary

extinct

(ĭk-stĭngkt') Pronunciation Key

Having no living members. Species become extinct for many reasons, including climate change, disease, destruction of habitat, local or worldwide natural disasters, and development into new species (speciation). The great majority of species that have ever lived—probably more than 99 percent—are now extinct.
No longer active or burning, as an extinct volcano.

Example sentences

Conference interviews are going extinct in my discipline.

Some extinct animals have anatomical oddities that seem destined to be confined

to the marginalia of history.

The new work marks the first time that so much of the genetic material of an

extinct creature has been retrieved.

Dragons are an extinct species, victims of war and poor breeding practices.

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Matching Quote

"My spirit is broken, my days are extinct, the grave is ready for me."

-unknown author