extinctionists

Noun

extinctionist (plural extinctionists)

1. An advocate of extinctionism.
   • As to whether animals that cannot be domesticated are worth preserving is a question I will not discuss here. But there is this much to be said, in opposition to the extinctionist, that wild life, placed on the lowest basis, has certainly a commercial value which should not be overlooked.1938, Professor R. B. Mowar, The Nineteenth Century and After 1938-10: Volume 124, Issue 740, Twentienth Century, page 30
2. A player who plays a roguelike game with the additional challenge of killing all creatures to extinction.
   • What an Extinctionist tries to do is completely eliminate as many kinds of monsters from the game as possible, either through genocide if it's available, or from just depleting all the kinds of monsters that can be produced.2020, John Harris, Exploring Roguelike Games, CRC Press, →ISBN

See all 3 meanings of extinctionist