Extinctionism

//ɪkˈstɪŋkʃ(ə)nɪzəm// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The belief that only the extinction of humanity will lead to the recovery of the Earth's environment. uncountable

    "Philosopher Patricia MacCormack, who proudly dons the mantles of antinatalism and human extinctionism, finds herself “ambivalent about pessimism,” which she correctly regards as an overly masculine discourse."

  2. 2
    The additional challenge, in playing a roguelike game, of killing all creatures to extinction. uncountable

Example

More examples

"Philosopher Patricia MacCormack, who proudly dons the mantles of antinatalism and human extinctionism, finds herself “ambivalent about pessimism,” which she correctly regards as an overly masculine discourse."

Etymology

From extinction + -ism.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.