In an extinctive manner.

(astronomy) the dimming of light from the stars due to absorption and scattering from dust in the interstellar medium

plural of mass extinction

(evolutionary theory, geology) A sharp decrease in the total number of species in a relatively short period of time; specifically, a loss of ∼75% of all species on the planet over a geologically interval of less than 3 million years, as a result of a mass extinction event.

(biology, neologism) The process of returning an extinct species back into the world.

plural of de-extinction

language death

That has been brought back from extinction.

past tense of de-extinction

(evolutionary theory, geology) Synonym of mass extinction