Home › Words › E › efilismefilism/ˈɛfɪlɪzəm/efilism means an extremist, negative utilitarian pro-mortalist, antinatalist ideology proposed by Gary Mosher which endorses the forced extinction of all life on Earth.efilism is pronounced /ˈɛfɪlɪzəm/.EtymologyFrom life reversed + -ism.nounAn extremist, negative utilitarian pro-mortalist, antinatalist ideology proposed by Gary Mosher which endorses the forced extinction of all life on Earth.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.efilist 75% match — A proponent of efilism. vs efilism →promortalism 63% match — A philosophical belief that holds that it is better for a being to die rather than continue living. vs efilism →extinctionism 61% match — The belief that only the extinction of humanity will lead to the recovery of the Earth's environment. vs efilism →extinctionist 59% match — An advocate of extinctionism. vs efilism →eliminationism 58% match — Advocacy of, or a policy of, elimination (of a certain race of people, etc.). vs efilism →eradicationism 57% match — The belief that something (often disease or a cultural trait) must be eliminated. vs efilism →eliminationist 56% match — A proponent of eliminationism. vs efilism →antinatalism 56% match — A philosophical view that deems procreation as immoral. vs efilism →